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.

(transitive) To make dirty. / (transitive) To besmirch. / (transitive) To clog or obstruct. / (transitive, nautical) To entangle.

(sports) A breach of the rules of a game, especially one involving inappropriate contact with an opposing player in order to gain an advantage; for example, tripping someone up in soccer, or contact of any kind in basketball.

Obsolete form of foul.

simple past tense and past participle of foul

Third-person singular simple present indicative form of foul

plural of foul

An island off the east coast of Essex where the Thames estuary joins the North Sea.

The adhesion of a foreign material onto a surface, especially so as to reduce its functionality.

present participle of foul