HATHAWAY, J.
At issue in this case is whether Michigan State University (MSU) Ordinance, § 15.05 is facially unconstitutional. The Court of Appeals reversed the circuit court’s conclusion that the ordinance is unconstitutional under City of Houston, Texas v Hill, 482 US 451; 107 S Ct 2502; 96 L Ed 2d 398 (1987).1 Because we agree with the circuit court’s analysis and conclude that the language in the ordinance making it an offense to “disrupt the normal activity” of a protected person is facially overbroad, as articulated by the United States Supreme Court in Hill, we reverse the portion of the Court of Appeals’ judgment pertaining to the constitutionality of MSU Ordinance, § 15.05, and we reinstate the circuit court’s decision with regard to this issue to the extent that the circuit court held that the quoted language is facially unconstitutional.
Also at issue is whether MCR 7.101(0) provides for taxation of costs in criminal cases. The Court of Appeals held that costs may not be assessed under MCR 7.101(0) [71]*71in criminal matters.2 We agree with the Court of Appeals and, therefore, affirm that portion of its judgment.
I. FACTS AND PROCEDURAL HISTORY
This case arises from a parking citation that defendant received when his car was parked in an MSU parking structure. On the day the citation was issued, MSU parking enforcement employee Ricardo Rego was working on campus. Defendant confronted Rego and asked if Rego was the one who had issued the citation. Defendant was shouting, which led Rego to believe that defendant was acting aggressively. Rego got into his service vehicle and called the campus police.3 Approximately 10 to 15 minutes passed before the police arrived. During that time, Rego sat in his service vehicle and completed the process for having an adjacent vehicle towed, while defendant stood outside the service vehicle and took pictures of Rego with a camera phone.
Defendant was charged with the misdemeanor offense of violating MSU Ordinance, § 15.05.4 A district court jury convicted defendant of violating the ordinance. On appeal, the circuit court reversed the conviction on the basis that the ordinance was unconstitutionally overbroad on its face. The circuit court also granted defendant’s motion brought pursuant to MCR 7.101(0) to tax costs against the prosecution.
[72]*72The Court of Appeals reversed the circuit court’s decision and held that the ordinance is not facially overbroad, and defendant is not entitled to costs.5 This Court granted defendant’s application for leave to appeal and asked the parties to address “(1) whether Michigan State University Ordinance 15.05 is facially unconstitutional under City of Houston v Hill, 482 US 451 (1987), and (2) whether MCR 7.101(0) allows taxation of costs in criminal cases appealed in the circuit court.”6
II. STANDARD OF REVIEW
This Court reviews de novo questions of constitutional law.7 This Court presumes that ordinances are constitutional, and the party challenging the validity of the ordinance has the burden of proving a constitutional violation.8
III. ANALYSIS
We first address whether MSU Ordinance, § 15.05 is facially unconstitutional.9 When considering a “facial” challenge to the breadth of a law on First Amendment grounds,10 this Court considers “not merely the spo[73]*73radie abuse of power by the censor but the pervasive threat inherent in its very existence that constitutes the danger to freedom of discussion.”11
Before ruling that a law is unconstitutionally over-broad, this Court must determine whether the law “reaches a substantial amount of constitutionally protected conduct.”12 The United States Supreme Court has held that criminal statutes must be scrutinized with particular care,13 and those that prohibit a substantial amount of constitutionally protected conduct may be facially overbroad even if they have a legitimate application.14 However, “invalidating a law that in some of its applications is perfectly constitutional — particularly a law directed at conduct so antisocial that it has been made criminal — has obvious harmful effects.”15 Thus, a statute’s overbreadth must “be substantial, not only in an absolute sense, but also relative to the statute’s plainly legitimate sweep.”16
In Hill, the United State Supreme Court considered the constitutionality of an ordinance that made it [74]*74unlawful to “in any manner oppose, molest, abuse or interrupt” a police officer.17 The Court concluded at the outset that this language prohibited verbal interruptions and, therefore, implicated constitutionally protected speech under the First Amendment.18 The Court first noted that the ordinance was not limited in any way to fighting words or obscene language.19 Instead, the ordinance imposed a blanket prohibition on speech that interrupts an officer in any manner.20 Expressly clarifying that the Constitution prohibits making such speech a crime, the Court explained that “[t]he freedom of individuals verbally to oppose or challenge police action without thereby risking arrest is one of the principal characteristics by which we distinguish a free nation from a police state.”21 While the Court acknowledged the difficulty of drafting precise laws, it reiterated that it would invalidate those laws “that provide the police with unfettered discretion to arrest individuals for words or conduct that annoy or offend them.”22
Hill also stated that as the Court had “observed over a century ago, ‘[i]t would certainly be dangerous if the legislature could set a net large enough to catch all [75]*75possible offenders, and leave it to the courts to step inside and say who could be rightfully detained, and who should be set at large.’ ”23 The Court noted that the ordinance’s plain language prohibiting opposing, molesting, abusing, or interrupting a police officer in any manner could be violated on numerous occasions every day.24 Nevertheless, only those individuals that the police chose to arrest would be charged with violating the ordinance.25 Hill concluded that because the “ordinance criminalizes a substantial amount of constitutionally protected speech, and accords the police unconstitutional discretion in enforcement,” it was substantially overbroad and facially invalid.26
In this case, we address the constitutionality of MSU Ordinance, § 15.05, which provides:
No person shall disrupt the normal activity or molest the property of any person, firm, or agency while that person, firm, or agency is carrying out service, activity or agreement for or with the University.
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HATHAWAY, J.
At issue in this case is whether Michigan State University (MSU) Ordinance, § 15.05 is facially unconstitutional. The Court of Appeals reversed the circuit court’s conclusion that the ordinance is unconstitutional under City of Houston, Texas v Hill, 482 US 451; 107 S Ct 2502; 96 L Ed 2d 398 (1987).1 Because we agree with the circuit court’s analysis and conclude that the language in the ordinance making it an offense to “disrupt the normal activity” of a protected person is facially overbroad, as articulated by the United States Supreme Court in Hill, we reverse the portion of the Court of Appeals’ judgment pertaining to the constitutionality of MSU Ordinance, § 15.05, and we reinstate the circuit court’s decision with regard to this issue to the extent that the circuit court held that the quoted language is facially unconstitutional.
Also at issue is whether MCR 7.101(0) provides for taxation of costs in criminal cases. The Court of Appeals held that costs may not be assessed under MCR 7.101(0) [71]*71in criminal matters.2 We agree with the Court of Appeals and, therefore, affirm that portion of its judgment.
I. FACTS AND PROCEDURAL HISTORY
This case arises from a parking citation that defendant received when his car was parked in an MSU parking structure. On the day the citation was issued, MSU parking enforcement employee Ricardo Rego was working on campus. Defendant confronted Rego and asked if Rego was the one who had issued the citation. Defendant was shouting, which led Rego to believe that defendant was acting aggressively. Rego got into his service vehicle and called the campus police.3 Approximately 10 to 15 minutes passed before the police arrived. During that time, Rego sat in his service vehicle and completed the process for having an adjacent vehicle towed, while defendant stood outside the service vehicle and took pictures of Rego with a camera phone.
Defendant was charged with the misdemeanor offense of violating MSU Ordinance, § 15.05.4 A district court jury convicted defendant of violating the ordinance. On appeal, the circuit court reversed the conviction on the basis that the ordinance was unconstitutionally overbroad on its face. The circuit court also granted defendant’s motion brought pursuant to MCR 7.101(0) to tax costs against the prosecution.
[72]*72The Court of Appeals reversed the circuit court’s decision and held that the ordinance is not facially overbroad, and defendant is not entitled to costs.5 This Court granted defendant’s application for leave to appeal and asked the parties to address “(1) whether Michigan State University Ordinance 15.05 is facially unconstitutional under City of Houston v Hill, 482 US 451 (1987), and (2) whether MCR 7.101(0) allows taxation of costs in criminal cases appealed in the circuit court.”6
II. STANDARD OF REVIEW
This Court reviews de novo questions of constitutional law.7 This Court presumes that ordinances are constitutional, and the party challenging the validity of the ordinance has the burden of proving a constitutional violation.8
III. ANALYSIS
We first address whether MSU Ordinance, § 15.05 is facially unconstitutional.9 When considering a “facial” challenge to the breadth of a law on First Amendment grounds,10 this Court considers “not merely the spo[73]*73radie abuse of power by the censor but the pervasive threat inherent in its very existence that constitutes the danger to freedom of discussion.”11
Before ruling that a law is unconstitutionally over-broad, this Court must determine whether the law “reaches a substantial amount of constitutionally protected conduct.”12 The United States Supreme Court has held that criminal statutes must be scrutinized with particular care,13 and those that prohibit a substantial amount of constitutionally protected conduct may be facially overbroad even if they have a legitimate application.14 However, “invalidating a law that in some of its applications is perfectly constitutional — particularly a law directed at conduct so antisocial that it has been made criminal — has obvious harmful effects.”15 Thus, a statute’s overbreadth must “be substantial, not only in an absolute sense, but also relative to the statute’s plainly legitimate sweep.”16
In Hill, the United State Supreme Court considered the constitutionality of an ordinance that made it [74]*74unlawful to “in any manner oppose, molest, abuse or interrupt” a police officer.17 The Court concluded at the outset that this language prohibited verbal interruptions and, therefore, implicated constitutionally protected speech under the First Amendment.18 The Court first noted that the ordinance was not limited in any way to fighting words or obscene language.19 Instead, the ordinance imposed a blanket prohibition on speech that interrupts an officer in any manner.20 Expressly clarifying that the Constitution prohibits making such speech a crime, the Court explained that “[t]he freedom of individuals verbally to oppose or challenge police action without thereby risking arrest is one of the principal characteristics by which we distinguish a free nation from a police state.”21 While the Court acknowledged the difficulty of drafting precise laws, it reiterated that it would invalidate those laws “that provide the police with unfettered discretion to arrest individuals for words or conduct that annoy or offend them.”22
Hill also stated that as the Court had “observed over a century ago, ‘[i]t would certainly be dangerous if the legislature could set a net large enough to catch all [75]*75possible offenders, and leave it to the courts to step inside and say who could be rightfully detained, and who should be set at large.’ ”23 The Court noted that the ordinance’s plain language prohibiting opposing, molesting, abusing, or interrupting a police officer in any manner could be violated on numerous occasions every day.24 Nevertheless, only those individuals that the police chose to arrest would be charged with violating the ordinance.25 Hill concluded that because the “ordinance criminalizes a substantial amount of constitutionally protected speech, and accords the police unconstitutional discretion in enforcement,” it was substantially overbroad and facially invalid.26
In this case, we address the constitutionality of MSU Ordinance, § 15.05, which provides:
No person shall disrupt the normal activity or molest the property of any person, firm, or agency while that person, firm, or agency is carrying out service, activity or agreement for or with the University.
“The first step in overbreadth analysis is to construe the challenged statute” because “it is impossible to determine whether a statute reaches too far without first knowing what the statute covers.”27 This ordinance makes it a crime to “disrupt the normal activity ... of any person, firm, or agency.. . carrying out service, activity or agreement for or with the University.” Defendant argues that this language is facially overbroad because it substantially infringes on First Amendment [76]*76rights. We agree with defendant and hold that the phrase “disrupt the normal activity” in the ordinance is facially overbroad.28
The MSU ordinance prohibits disruptions but does not specify the types of disruptions that are prohibited. Thus, the plain language of the ordinance allows its enforcement for even verbal disruptions. Moreover, like the ordinance that the United States Supreme Court invalidated in Hill, the verbal disruptions that the MSU ordinance criminalizes are not limited to those containing fighting words or obscene language. Instead, the MSU ordinance explicitly criminalizes any disruption of the normal activity of persons or entities carrying out activities for or with MSU. Not only does the ordinance fail to limit the types of disruptions that are prohibited, it also protects a much broader class of individuals than the ordinance at issue in Hill. The plain language of this ordinance allows it to be enforced against anyone who disrupts in any way anyone carrying out any activity for or with MSU. Like the ordinance in Hill, which was “admittedly violated scores of times daily,”29 the MSU ordinance could be violated numerous times throughout any given day given that there are seem[77]*77ingly infinite ways in which someone might “disrupt” another who is engaged in an “activity” for or with MSU. Thus, we believe that this ordinance, just like the ordinance in Hill, “criminalizes a substantial amount of constitutionally protected speech . . . .”30
The Court of Appeals found Hill distinguishable from this case because the Hill ordinance specifically protected police officers who have the power to arrest violators at the officers’ discretion, while the MSU ordinance only prohibits the disruption of MSU employees who do not necessarily have the power to arrest violators.31 We disagree with this distinction. The MSU ordinance prohibits the disruption of MSU police officers while they are carrying out their duties for the university, and those police officers have the explicit power to enforce the ordinance and arrest violators.32 Thus, the concerns that Hill had regarding “[t]he freedom of individuals verbally to oppose or challenge [78]*78police action without thereby risking arrest” apply equally to the MSU ordinance.33
Moreover, the distinction regarding whether an individual protected by the ordinance has the power to arrest is an irrelevant one. An MSU student, for example, enrolled in classes on campus is undoubtedly carrying out an activity with MSU and, therefore, is protected by the ordinance. Nothing in the plain language of the ordinance prevents a student who simply feels that he or she has been disrupted by the actions or words of another person from seeking enforcement of this ordinance. Nor does the ordinance language prevent a police officer from choosing to enforce the ordinance when there is a complaint or simply when the officer witnesses somebody disrupting another person’s activity.34 While not all protected individuals have the same power as a police officer to arrest, the ordinance is nonetheless a criminal statute that subjects the violator to a misdemeanor conviction and provides someone who does have the power to arrest with the opportunity to do so whenever a protected individual is [79]*79disrupted.35 Accordingly, this ordinance can be said to “provide the police with unfettered discretion to arrest individuals for words or conduct that annoy or offend them,” just as the ordinance in Hill did.36 Thus, like the unconstitutional ordinance in Hill, the MSU ordinance is “susceptible of regular application to protected expression,” regardless of whether the protected individual has the power to arrest.37
The Court of Appeals further attempted to distinguish Hill because the ordinance in that case used the word “interrupt,” while the MSU ordinance uses the word “disrupt.”38 The American Heritage Dictionary of the English Language (2006), quoted by the Court of Appeals, defines “disrupt” as “[t]o throw into confusion or disorder” or “[t]o interrupt or impede the progress, movement, or procedure of[.]”39 The Court of Appeals reasoned that a person can “interrupt an action without causing disorder or confusion, such as by merely asking a question,” but “the same conduct does not necessarily [80]*80disrupt.. . ,”40 The Court of Appeals then explained that its reasoning compelled the conclusion that while the term “interrupt” used in the Hill ordinance may encompass a substantial amount of constitutionally protected conduct, “the same can not necessarily be said” of the term “disrupt” used in the MSU ordinance.41 We disagree with this analysis.
Under the definition chosen by the Court of Appeals, “disrupt” explicitly includes “interrupt.” Other dictionaries similarly include “interrupt” in the definition of “disrupt.”42 Moreover, the terms “interrupt” and “disrupt” are commonly used as synonyms.43 Nevertheless, the Court of Appeals’ reasoning implies that the term “interrupt” is capable of encompassing verbal interruptions, thereby implicating constitutionally protected conduct, while the term “disrupt” is somehow limited to nonverbal acts and thereby incapable of reaching protected conduct. However, nothing in the ordinary meanings of “interrupt” and “disrupt” supports this reasoning. More importantly, nothing in the ordinances at issue in Hill or this case creates that distinction.
The dictionary definition used by the Court of Appeals essentially provides that a person can “disrupt” [81]*81another person by either (1) interrupting that person or (2) causing disorder or confusion.44 Given this definition, one way to violate the MSU ordinance is to disrupt a person by interrupting that person. There is no question that the United States Supreme Court concluded in Hill that an ordinance broadly prohibiting interruptions reaches “a substantial amount of constitutionally protected speech . .. .”45 A person may also violate the MSU ordinance, under this definition of “disrupt,” by causing disorder or confusion. This means that if a person asks another person several questions, which causes that other person’s activity to be “thrown into confusion or disorder,” a prohibited disruption has occurred. Both ways in which a person may disrupt another person can be accomplished by purely expressive conduct.46 And regardless of which definition of [82]*82“disrupt” is applied, the MSU ordinance can be used to reach and criminalize “a substantial amount of constitutionally protected conduct.”47
Finally, we note that our analysis is not affected by Hill’s observation of an anomaly in Texas law whereby the ordinance in that case was preempted to the extent that the Texas Penal Code already covered the proscribed conduct. Because Texas law preempted enforce[83]*83ment of that portion of the Hill ordinance that criminalized someone who “assault[s]” or “strike[s]” a police officer, “the enforceable portion of the ordinance” made it “ ‘unlawful for any person to .. . in any manner oppose, molest, abuse or interrupt any policeman in the execution of his duty,’ and thereby prohibits verbal interruptions of police officers.”48
While defendant does not offer any Michigan law similar to the Texas preemption statute, we note that separate statutes and MSU ordinances already criminalize physical assaults. For instance, MSU Ordinance, § 22.01 provides that “[n]o person shall accost, molest, or harass any person upon the lands governed by the Board [of Trustees].” And, of course, MCL 750.81 criminalizes all assaults that occur within the state, regardless of whether they occur on MSU grounds. Thus, for all practical purposes, the only disruptions that the MSU ordinance newly criminalizes are the same nonphysical ones that the enforceable portion of the Hill ordinance proscribed. In other words, just as Texas law criminalized physical assaults on police offic[84]*84ers in the absence of the Hill ordinance, state statutes and MSU ordinances already criminalize any physical assault that disrupts someone on the MSU campus even in the absence of MSU Ordinance, § 15.05.49 As a result, the partial preemption of the Hill ordinance does not compel a different result in this case.
Accordingly, we hold that under Hill, the language in MSU Ordinance, § 15.05 making it an offense to “disrupt the normal activity” of a protected person is facially unconstitutional.
Next, we address whether MCR 7.101(0) allows taxation of costs in criminal appeals in the circuit court. MCR 7.101(0) provides:
Costs in an appeal to the circuit court may be taxed as provided in MCR 2.625. A prevailing party may tax only the reasonable costs incurred in the appeal, including:
(1) the cost of an appeal or stay bond;
(2) the transcript;
(3) documents required for the record on appeal;
(4) fees paid to the clerk or to the trial court clerk incident to the appeal;
[85]*85(5) taxable costs allowed by law in appeals to the Supreme Court (MCL 600.2441); and
(6) other expenses taxable under applicable court rules or statutes.
Defendant argues that he is entitled to reimbursement for the costs he incurred because the prosecution pursued its case against him on the basis of an unconstitutional statute. While the circuit court granted defendant’s motion for taxation of costs, the Court of Appeals reversed that decision on the basis that there is no statutory authority allowing the assessment of costs in this matter. We agree with the Court of Appeals’ analysis of this issue.
MCR 7.101(0) explicitly states that “costs . . . maybe taxed as provided in MCR 2.625.” MCR 2.625 is a rule of civil procedure, which does not apply to a criminal matter.50 MCR 7.101(O)(5) refers to MCL 600.2441, a statute that applies only to the taxation of costs in civil matters.51 Because this case is a criminal matter, MCR 7.101(0) does not provide grounds for awarding costs.52 [86]*86Accordingly, the Court of Appeals correctly concluded that there is no basis to “undermine the broad statutory discretion granted the prosecution in its charging decisions,”53 and the assessment of costs against the prosecution in this case was improper.
IV CONCLUSION
We conclude that the language in MSU Ordinance, § 15.05 making it an offense to “disrupt the normal activity” of a protected person is facially overbroad, as articulated by the United States Supreme Court in Hill. Therefore, we reverse the judgment of the Court of Appeals in part and reinstate the circuit court’s decision to the extent that the circuit court held that the quoted language is facially unconstitutional. On the issue of costs, we agree with the Court of Appeals’ conclusion that the circuit court erroneously assessed costs against the prosecution and, therefore, we affirm the Court of Appeals’ judgment in part.
Young, C. J., and Cavanagh, Marilyn Kelly, and Mary Beth Kelly, JJ., concurred with Hathaway, J.