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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If you’re caught with an open container of cannabis in your car, you could be issued an infraction and fined up to $100.—Sacbee.com,
21 Sep. 2026 Saad Almoraisi was also charged in connection with two warrants charging him with sale of cannabis and possession of cannabis, as well as two warrants accusing him of failure to pay or plea to infractions.—
Justin Muszynski,
Hartford Courant,
18 Sep. 2026 That has driven up detentions for people with pending asylum claims and green card holders with minor infractions to their names.—Charlotte Observer,
16 Sep. 2026 Last school year, truancy and tardiness were the top two most prevalent infractions, per the presentation.—
Molly Morrow,
Chicago Tribune,
15 Sep. 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