1. an act that violates of the rules of a sport
2. become soiled and dirty
3. make unclean; "foul the water"
4. spot, stain, or pollute; "The townspeople defiled the river by emptying raw sewage into it"
5. make impure; "The industrial wastes polluted the lake"
6. commit a foul; break the rules
7. hit a foul ball
8. become or cause to become obstructed; "The leaves clog our drains in the Fall"; "The water pipe is backed up"
9. especially of a ship''s lines etc; "with its sails afoul"; "a foul anchor"
10. disgustingly dirty; filled or smeared with offensive matter; "as filthy as a pigsty"; "a foul pond"; "a nasty pigsty of a room"
11. characterized by obscenity; "had a filthy mouth"; "foul language"; "smutty jokes"
12. thoroughly unpleasant; "filthy (or foul or nasty or vile) weather we''re having"
13. (of a baseball) not hit between the foul lines
14. violating accepted standards or rules; "a dirty fighter"; "used foul means to gain power"; "a nasty unsporting serve"; "fined for unsportsmanlike behavior"
15. offensively malodorous; "a putrid smell"
16. (of a manuscript) defaced with changes; "foul (or dirty) copy"
17. highly offensive; arousing aversion or disgust; "a disgusting smell"; "distasteful language"; "a loathsome disease"; "the idea of eating meat is repellent to me"; "revolting food"; "a wicked stench"

Similar Words: befoul, defile, maculate, pollute, contaminate, clog, choke off, clog up, back up, congest, choke, afoul(ip), fouled, filthy, nasty, smutty, vile, cheating(a), dirty, unsporting, unsportsmanlike, fetid, foetid, foul-smelling, funky, noisome, smelly, putrid, stinking, marked-up, disgusting, disgustful, distasteful, loathly, loathsome, repellent, repellant, repelling, revolting, skanky, wicked, yucky

 

Hyponyms: foul ball, personal foul, technical foul, technical, infect, taint, hack, foul out, gum up, crap up, stuff, lug, choke up, block, silt up, silt

 

Derivational Morphology: macule, macula, staining, spotting, maculation, befoulment, defilement, pollution, polluter, defiler, contaminant, contamination, taint, pollutant, congestion, over-crowding, backup, clog