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 Boise City Council later voted to make public camping an infraction, punishable by a $10 ticket, in order to comply with the law.—
Matan Josephy,
Idaho Statesman,
10 July 2026 Prosecutors also filed two additional misdemeanor counts of reckless driving and operating a motorcycle without a valid license, along with four infractions that include driving the wrong way on a divided roadway.—
Andrew J. Campa,
Los Angeles Times,
8 July 2026 Hornby has been fined £30,085, or $40,242, for his infraction.—
News Desk,
Artforum,
8 July 2026 Letexier waved off Ziko’s goal for the infraction, which occurred an astonishing 18 seconds before the apparent goal.—
Kyle Feldscher,
CNN Money,
7 July 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