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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On the books, to sell food without a permit is an infraction.—
Da Lin,
CBS News,
14 Aug. 2026 Every time a player screwed up, the coaching staff and his teammates received a text message, calling out both the infraction and the guilty party.—
Dana O’Neil,
CNN Money,
14 Aug. 2026 According to the officer, Calvo activated the vehicle’s emergency lights after the traffic stop was already under way, appearing to use the lights to avoid being stopped for the infraction.—
Verónica Egui Brito,
Miami Herald,
14 Aug. 2026 The box truck driver was found to be at fault for the crash and was issued an infraction for failure to maintain the proper lane, according to state police.—
Justin Muszynski,
Hartford Courant,
13 Aug. 2026 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