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

How To Use foul In A Sentence

  • It gives a little bling to the foulard and the masculine touch gives it an astute edge. Gina Pell: What To Wear In 2010
  • A couple of coats of new antifouling paint may cost the equivalent of a couple tanks of gas, but you will keep saving money on fuel all season long.
  • Well, my boy Joey is eight years old, and he's a foul-mouthed dumb-ass little loser just like his father.
  • You would commit the most foul of murders out of loyalty to me.
  • He picked up his first booking for a 45th-minute foul on Bull.
  • They described ‘torture techniques’ and claimed that detainees had been forced into painful positions for 18 to 24 hours at a time or left to foul themselves.
  • Although he showed by laying down some bunts he knows what he can do with his speed, he hasn't mastered the tactic and bunts the ball foul or into outs.
  • I shrank inside and out from the fog and what it held-so alien to my flesh and spirit that to come even this close to it was befoulment beyond the finding of words. Year of the Unicorn
  • Both father and son knew that she would be in a foul mood.
  • His semi in ‘Foulness, near Southend’ has long been reduced to ‘a condition of untouchable sordor’, and is also ‘saturated with pornography in all its forms’.
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