Third-person singular simple present indicative form of foul

plural of foulness

plural of fouling

(basketball) Any infraction of the rules penalized as a foul which does not involve physical contact during the course of play between players on the court, or is a foul by a nonplayer.

(basketball) A line from which a player takes a free throw / (baseball, softball) One of the two lines on the edge of a field marking the area inside which a fair ball may be hit.

Profane or socially unacceptable words.

(nautical) An anchor which has become entangled or caught up in something, or an image of this.

A foul anchor

(baseball) The area outside the playing field beyond the first base and third base lines, including the grandstand.

(idiomatic, archaic) To collide; to conflict with; to attack (+ on, of, upon) / (idiomatic) To be defeated or thwarted (by); to suffer ( + of)