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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There are parental responsibility infractions and, in some cases, potential criminal charges as well.—
Gino Vicci,
CBS News,
6 Aug. 2026 He was issued an infraction for failure to grant the right of way to a pedestrian in a crosswalk.—
Justin Muszynski,
Hartford Courant,
5 Aug. 2026 Villela’s fines for infractions such as weeds in her yard or a garbage can left on the curb multiplied.—
Noelle Phillips,
Denver Post,
5 Aug. 2026 These vignettes are mini cases that serve to highlight positive behaviors or cultural infractions that leaders can share to help reach a mutual understanding of what their values look like in action.—
Kevin Kruse,
Forbes.com,
4 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