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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These were the type of penalties that plagued the Dolphins, which finished with nine infractions for 55 yards, all day.—Miami Herald,
5 Oct. 2026 On a play that was whistled dead because of a neutral zone infraction, Vikings linebacker Eric Wilson appeared to be shoved into Hill, who was knocked to the ground.—Los Angeles Times,
5 Oct. 2026 Jacksonville Jaguars coach Liam Coen earned the infraction in Week 2 against the Denver Broncos after expressing his disagreement with a defensive pass interference call midway through the fourth quarter.—
Saad Yousuf,
New York Times,
4 Oct. 2026 The two women are themselves influencers who previously accused former gubernatorial hopeful Tom Steyer and, earlier this week, Los Angeles mayoral hopeful Nithya Raman of similar infractions.—
Ben Paviour,
Sacbee.com,
2 Oct. 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