Definitions

1. adjective

unseemly or improper in behavior; morally reprehensible

“His foul behavior at the party ruined the evening for everyone.”

2. adjective

morally offensive; disgusting

“The foul language used by the comedian was not suitable for children.”

3. noun

a foul or offensive quality or situation

“The foul in the game led to a penalty shot.”

4. noun

in a game, such as golf, bowling, or tennis, a foul is an action that penalizes the player

“The golfer committed a foul by hitting his ball out of bounds.”

5. verb

to commit a foul or become morally corrupt

“He fouled himself by taking a bribe to fix the game.”