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Definition of infringer

infringer

/ɪnˈfrɪndʒər/
in · frin · ger
Plural:infringers
•
Adjective:infringing
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infringer Lexical Profile

infringer Game Scores & Validity

• noun

1

A person or entity that violates a law, rule, agreement, or another party's legal rights, especially regarding patents, copyrights, or trademarks.

Example

"The software company filed a lawsuit against the alleged infringer to protect its patented source code."

Synonyms
View all synonyms for infringer
Antonyms
View all antonyms for infringer

• Rhymes for infringer

• Nearby Words

infrequently
infringe
infringement
infringer
infuriate
infuriating
infuriatingly

Word Origin & Etymology

Formed in English from the verb 'infringe' plus the agentive suffix '-er'; 'infringe' derives from Latin 'infringere', meaning 'to break off, bruise, or weaken', from 'in-' (in) and 'frangere' (to break).

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Infringer. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/infringer
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