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Synonyms

foul

American  
[foul] / faʊl /

adjective

fouler, foulest
  1. grossly offensive to the senses; disgustingly loathsome; noisome.

    a foul smell.

    Synonyms:
    repellent , repulsive
    Antonyms:
    pleasant
  2. containing or characterized by offensive or noisome matter.

    foul air; foul stagnant water.

    Synonyms:
    stinking , putrid , fetid
  3. filthy or dirty, as places, receptacles, clothes, etc.

    Synonyms:
    impure , polluted , unclean
    Antonyms:
    clean
  4. muddy, as a road.

  5. clogged or obstructed with foreign matter.

    a foul gas jet.

    Antonyms:
    clear
  6. unfavorable or stormy.

    foul weather.

    Synonyms:
    tempestuous , rainy
    Antonyms:
    clear
  7. contrary, violent, or unfavorable, as the wind.

    Synonyms:
    adverse
  8. grossly offensive in a moral sense.

  9. abominable, wicked, or vile, as deeds, crime, slander, etc.

    Synonyms:
    infamous , shameful , base
  10. scurrilous, profane, or obscene; offensive.

    foul language.

    Synonyms:
    low , coarse , vulgar , smutty
  11. contrary to the rules or established usages, as of a sport or game; unfair.

    a foul blow.

  12. Baseball.  pertaining to a foul ball or a foul line.

  13. limited in freedom of movement by obstruction, entanglement, etc..

    a foul anchor.

  14. abounding in errors or in marks of correction, as a printer's proof, manuscript, or the like.

  15. Nautical.

    1. (of the underwater portion of a hull) encrusted and impeded with barnacles, seaweed, etc.

    2. (of a mooring place) involving inconveniences and dangers, as of colliding with vessels or other objects when swinging with the tide.

    3. (of the bottom of a body of water) affording a poor hold for an anchor (clean ).

  16. North England and Scot..  not fair; ugly or unattractive.

  17. Obsolete.  disfigured.


adverb

  1. in a foul manner; vilely; unfairly.

  2. Baseball.  into foul territory; so as to be foul.

    It looked like a homer when he hit it, but it went foul.

noun

  1. something that is foul.

  2. a collision or entanglement.

    a foul between two racing sculls.

  3. a violation of the rules of a sport or game.

    The referee called it a foul.

  4. Baseball.  foul ball.

verb (used with object)

  1. to make foul; defile; soil.

    Synonyms:
    pollute , taint , besmirch , dirty , stain , sully
    Antonyms:
    clean
  2. to clog or obstruct, as a chimney or the bore of a gun.

  3. to collide with.

  4. to cause to become entangled or caught, as a rope.

  5. to defile; dishonor; disgrace.

    His reputation had been fouled by unfounded accusations.

    Synonyms:
    shame
  6. Nautical.  (of barnacles, seaweed, etc.) to cling to (a hull) so as to encumber.

  7. Baseball.  to hit (a pitched ball) foul (often followed by off oraway ).

    He fouled off two curves before being struck out on a fastball.

verb (used without object)

  1. to become foul.

  2. Nautical.  to come into collision, as two boats.

  3. to become entangled or clogged.

    The rope fouled.

  4. Sports.  to make a foul play; give a foul blow.

  5. Baseball.  to hit a foul ball.

verb phrase

  1. foul up  to cause confusion or disorder; bungle; spoil.

  2. foul out

    1. Baseball.  to be put out by hitting a foul ball caught on the fly by a player on the opposing team.

    2. Basketball.  to be expelled from a game for having committed more fouls than is allowed.

idioms

  1. run foul / afoul of,  to come into collision or controversy with.

    to run foul of the press.

  2. foul one's nest,  to dishonor one's own home, family, or the like.

  3. fall foul / afoul of,

    1. to collide with, as ships.

    2. to come into conflict with; quarrel.

    3. to make an attack; assault.

foul British  
/ faʊl /

adjective

  1. offensive to the senses; revolting

  2. offensive in odour; stinking

  3. charged with or full of dirt or offensive matter; filthy

  4. (of food) putrid; rotten

  5. morally or spiritually offensive; wicked; vile

  6. obscene; vulgar

    foul language

  7. not in accordance with accepted standards or established rules; unfair

    to resort to foul means

  8. (esp of weather) unpleasant or adverse

  9. blocked or obstructed with dirt or foreign matter

    a foul drain

  10. entangled or impeded

    a foul anchor

  11. (of the bottom of a vessel) covered with barnacles and other growth that slow forward motion

  12. informal  unsatisfactory or uninteresting; bad

    a foul book

  13. archaic  ugly

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. sport

    1. a violation of the rules

    2. ( as modifier )

      a foul shot

      a foul blow

  2. something foul

  3. an entanglement or collision, esp in sailing or fishing

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. to make or become dirty or polluted

  2. to become or cause to become entangled or snarled

  3. (tr) to disgrace or dishonour

  4. to become or cause to become clogged or choked

  5. (tr) nautical (of underwater growth) to cling to (the bottom of a vessel) so as to slow its motion

  6. (tr) sport to commit a foul against (an opponent)

  7. (tr) baseball to hit (a ball) in an illegal manner

  8. (intr) sport to infringe the rules

  9. (tr) (of an animal, especially a dog) to defecate on

    do not let your dog foul the footpath

  10. to collide with (a boat, etc)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adverb

  1. in a foul or unfair manner

    1. to come into conflict with

    2. nautical to come into collision with

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
foul More Idioms  

    More idioms and phrases containing foul


Related Words

See dirty.

Other Word Forms

  • foully adverb
  • overfoul adjective
  • overfoully adverb
  • overfoulness noun
  • unfoul adjective
  • unfouled adjective
  • unfoully adverb

Etymology

Origin of foul

before 900; (adj. and noun) Middle English ful, foul, Old English fūl; cognate with Gothic fuls, Old Norse fūll, Old High German fūl; akin to Latin pūs pus, pūtēre to stink, Greek pýon pus; (adv.) Middle English fule, foule, derivative of the adj.; (v.) Middle English fulen, derivative of the adj.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

No two fouls are ever the same and there are subtle differences between the two.

From BBC

Not every Australian will have to prove their age, only those suspected of falling foul of the ban.

From Barron's

Calling the fight a no-contest meant he deemed the foul accidental rather than intentional.

From BBC

This centre-forward position allowed him to hold the ball up and win fouls more reliably than Zirkzee did in the first half against direct pressure.

From BBC

In neither case did security officials find signs of foul play.

From The Wall Street Journal