adj.
1.highly offensive
2.offensively malodorous
3.violating accepted standards or rules
4.(of a baseball) not hit between the foul lines
5.(of a manuscript) defaced with changes
6.thoroughly unpleasant
7.characterized by obscenity
8.disgustingly dirty
9.especially of a ship's lines etc foul n.
1.an act that violates of the rules of a sport foul v.
1.hit a foul ball
2.make impure
3.become or cause to become obstructed
4.commit a foul
5.spot, stain, or pollute
6.make unclean
7.become soiled and dirty
Idiom of the Day
live up to (something)
to act according to something, to fulfill expectations
The man is trying to live up to his reputation as a smart businessman.