foul

US /faʊl/
UK /faʊl/
"foul" picture
1.

offensive to the senses, especially through having a disgusting smell or taste or being dirty

:
The garbage had a foul odor.
He stepped in a puddle of foul water.
2.

wicked or immoral

:
He was accused of a foul deed.
The crime was a truly foul act.
1.

a violation of the rules in a sport or game

:
The referee called a foul on the player.
It was a clear foul, but the referee missed it.
1.

to commit a foul in a sport or game

:
He tried to trip his opponent and fouled him.
The player was warned not to foul again.