afoul

adj.

US //əˈfaʊɫ// UK //ɐfˈaʊl// afoul

Archaic

Origin

From a- + foul.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Idioms1 entry

01
run afoul of
To contravene.

Last updated April 17, 2026

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