Foul
- Covered with, or containing unclean matter; dirty.
- (of words or a way of speaking) obscene, vulgar or abusive.
- Detestable, unpleasant, loathsome.
- Disgusting, repulsive; causing disgust.
- (obsolete) Ugly; homely; poor.
- (of the weather) Unpleasant, stormy or rainy.
- Dishonest or not conforming to the established rules and customs of a game, conflict, test, etc.
- (nautical) Entangled and therefore restricting free movement, not clear.
- (baseball) Outside of the base lines; in foul territory.
Usage notes
- Nouns to which "foul" is often applied: play, ball, language, breath, smell, odor, water, weather, deed.