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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During the hearing, Erik Menendez acknowledged infractions ranging from writing personal letters on a work device and possessing contraband art supplies to physically fighting with other inmates and helping a prison gang with a tax scheme.—Jeanine Santucci, USA Today, 23 Aug. 2025 The school won an appeal to the FHSAA infraction appeals committee and Conaway, who was serving a one-year ban on coaching in games, had that penalty shortened to six games.—Chris Hays, The Orlando Sentinel, 21 Aug. 2025 The Mercedes Lopez was driving, according to public records, racked up nine violations in 2024 between April 17 and May 10 — seven for speeding in a school zone, two for running a red light and one for a bus lane infraction.—Nicholas Williams, New York Daily News, 20 Aug. 2025 Should the Sun Devils have taken their chances with the infractions committee?—Jon Wilner, Mercury News, 15 Aug. 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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