A breaking of the rules Common fouls are holding (grasping an opponent, unless the opponent has the ball), personal fouls (tripping an opponent or striking an opponent with one's hand, knee, or head), interference (a defensive player contacting a receiver to stop the completion of a pass or kick by contacting the player before he has the ball), clipping (pushing an opponent in the back), and face mask (grabbing an opponent's face mask)
A (usually accidental) contact between a bowler and the lane before the bowler has released the ball
characterized by obscenity; "had a filthy mouth"; "foul language"; "smutty jokes"
Not conformed to the established rules and customs of a game, conflict, test, etc.; unfair; dishonest; dishonorable; cheating; as, foul play
An infraction of the rules set out in the Hurlingham Polo Association's Blue Book Most fouls govern the safe riding and the concept of the line of the ball