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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The real Soup Nazi was a notoriously cranky chef named Al Yeganeh, who would refuse service to anyone who committed any number of small infractions while in line for his famously tasty bisques.—Benjamin Svetkey, HollywoodReporter, 5 Nov. 2025 He was charged with an infraction disorderly conduct, and threat of violence and suspicion of criminal trespassing, both Class B misdemeanors in Utah.—Kirsten Fiscus, Nashville Tennessean, 4 Nov. 2025 Jailhouse records show that Smith was disciplined at least five times between 2010 and 2017 for infractions including self-mutilation, drug use and possession of narcotics or marijuana.—Lynsey Eidell, PEOPLE, 2 Nov. 2025 Here, spiritual infractions are met with savage physical punishment and some of the more grotesque images in recent horror memory (which, as the genre has become ever more popular and emboldened, is seriously saying something).—Dennis Perkins, Entertainment Weekly, 31 Oct. 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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