An infraction is usually the breaking of a law, rule, or agreement. So a nation charged with an infraction of an international treaty will usually have to pay a penalty. In Federal law, an infraction is even smaller than a misdemeanor, and the only penalty is a fine. Most of us occasionally commit infractions of parking laws and get ticketed; speeding tickets are usually for infractions as well, though they go on a permanent record and can end up costing you money for years to come. The closely related word infringement generally refers to a violation of a right or privilege; use of another's writings without permission, for example, may be an infringement of the copyright.
speeding is only a minor infraction, but vehicular homicide is a serious felony
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Data provided by the Illinois State Police shows nearly 1 in 5 CDL holders with English Language Proficiency infractions have licenses issued by the state of Illinois.—Center Square, The Washington Examiner, 5 Dec. 2025 Also, unlike the Lyons plaintiff, whom the Court had refused to assume would again commit a traffic infraction prompting a police stop in which a chokehold was likely to be used, plaintiffs here are far more likely to have future encounters with the immigration officers.—New York Times, 2 Dec. 2025 Drivers who don't stay far enough away from plows are guilty of a civil infraction with a fine $100.—Natalie Davies, Freep.com, 28 Nov. 2025 Kaufmann argued that a more credible deterrence policy would see the United States match threats across a spectrum of infractions, from local conventional attacks to thermonuclear assault.—Big Think, 27 Nov. 2025 See All Example Sentences for infraction
Word History
Etymology
Middle English, from Medieval Latin infraction-, infractio, from Latin, subduing, from infringere to break — more at infringe
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