Definition by Wordnik
- (adjective) Offensive to the senses; revolting.
- (adjective) Having an offensive odor; smelly.
- (adjective) Rotten or putrid: foul meat.
- (adjective) Full of dirt or mud; dirty. See Synonyms at dirty.
- (adjective) Full of impurities; polluted: foul air.
- (adjective) Morally detestable; wicked: foul deeds.
- (adjective) Of a vulgar or obscene nature: foul language.
- (adjective) Very disagreeable or displeasing; horrid: a foul movie.
- (adjective) Bad or unfavorable: in fair weather or foul.
- (adjective) Violating accepted standards or rules; dishonorable: used foul means to gain power.
- (adjective) Sports Contrary to the rules of a game or sport: a foul boxing punch.
- (adjective) Baseball Outside the foul lines: a foul fly ball.
- (adjective) Entangled or twisted: a foul anchor.
- (adjective) Clogged or obstructed; blocked: a foul ventilator shaft.
- (adjective) Archaic Ugly; unattractive.
- (noun) Sports An infraction or a violation of the rules of play.
- (noun) Baseball A foul ball.
- (noun) An entanglement or a collision.
- (noun) An instance of clogging or obstructing.
- (adverb) In a foul manner.
- (verb-transitive) To make dirty or foul; pollute. See Synonyms at contaminate.
- (verb-transitive) To bring into dishonor; besmirch.
- (verb-transitive) To clog or obstruct.
- (verb-transitive) To entangle or catch (a rope, for example).
- (verb-transitive) Nautical To encrust (a ship's hull) with foreign matter, such as barnacles.
- (verb-transitive) Sports To commit a foul against.
- (verb-transitive) Baseball To hit (a ball) outside the foul lines.
- (verb-intransitive) To become foul.
- (verb-intransitive) Sports To commit a foul.
- (verb-intransitive) Baseball To hit a ball outside the foul lines: fouled twice and then struck out; fouled out to the catcher.
- (verb-intransitive) To become entangled or twisted: The anchor line fouled on a rock.
- (verb-intransitive) To become clogged or obstructed.
- (phrasal-verb) foul out Sports To be put out of a game for exceeding the number of permissible fouls.
- (phrasal-verb) foul up To blunder or cause to blunder because of mistakes or poor judgment.
Example by Wordnik
- “Boleyn,” said Brandon, the word foul on his tongue. - The Tudors: King Takes Queen
- In a brand-new interview revealed today, Michael ` s father, Joe, said he believes that there was what he calls foul play in his son ` s death. - CNN Transcript Jul 13, 2009
- You might notice that none of what you call foul language and cite in # 336 comes from me except for: “Dumbya always looks angry when things donâ€™t quite work out the way he wanted.” - Think Progress » Rep. Jim Moran: Bush Was Warned To Be ‘Extra Sensitive’ About Webb’s Son
- It shouldn't matter what time of the game — a foul is a foul. - USATODAY.com - Nets sweep road set from Pistons
- So it's not what they call a foul deck, that is a deck that they cannot land on but there are many, many more people on this deck than you would normally see when an aircraft lands. - CNN Transcript May 1, 2003