Main entry: foul
Definition: an act that violates the rules of a sport
Main entry: foul
Definition: become soiled and dirty
Main entry: foul
Definition: make unclean
Usage: foul the water
Main entry: foul, maculate, defile, befoul
Definition: spot, stain, or pollute
Usage: The townspeople defiled the river by emptying raw sewage into it
Main entry: foul, pollute, contaminate
Definition: make impure
Usage: The industrial wastes polluted the lake
Main entry: foul
Definition: commit a foul; break the rules
Main entry: foul
Definition: hit a foul ball
Main entry: clog, clog up, choke, choke off, congest, foul, back up
Definition: become or cause to become obstructed
Usage: The leaves clog our drains in the Fall; The water pipe is backed up
Main entry: afoul, foul, fouled
Definition: especially of a ship's lines etc
Usage: with its sails afoul; a foul anchor
Main entry: foul, filthy, nasty
Definition: disgustingly dirty; filled or smeared with offensive matter
Usage: as filthy as a pigsty; a foul pond; a nasty pigsty of a room
Main entry: cruddy, nasty, smutty, foul, filthy
Definition: characterized by obscenity
Usage: had a filthy mouth; foul language; smutty jokes
Main entry: foul
Definition: (of a baseball) not hit between the foul lines
Main entry: unsporting, unsportsmanlike, dirty, foul, cheating
Definition: violating accepted standards or rules
Usage: a dirty fighter; used foul means to gain power; a nasty unsporting serve; fined for unsportsmanlike behavior
Main entry: ill-scented, stinking, noisome, foetid, foul, foul-smelling, fetid, funky, smelly
Definition: offensively malodorous
Usage: a foul odor; the kitchen smelled really funky
Main entry: dirty, foul, marked-up
Definition: (of a manuscript) defaced with changes
Usage: foul (or dirty) copy
Main entry: disgustful, disgusting, distasteful, repellant, repellent, repelling, revolting, wicked, yucky, foul, loathly, loathsome, skanky
Definition: highly offensive; arousing aversion or disgust
Usage: a disgusting smell; distasteful language; a loathsome disease; the idea of eating meat is repellent to me; revolting food; a wicked stench