foul(foul),USA pronunciationadj.,-er, -est,adv., n., v. adj.
grossly offensive to the senses; disgustingly loathsome; noisome:a foul smell.
containing or characterized by offensive or noisome matter:foul air; foul stagnant water.
filthy or dirty, as places, receptacles, clothes, etc.
muddy, as a road.
clogged or obstructed with foreign matter:a foul gas jet.
unfavorable or stormy:foul weather.
contrary, violent, or unfavorable, as the wind.
grossly offensive in a moral sense.
abominable, wicked, or vile, as deeds, crime, slander, etc.
scurrilous, profane, or obscene; offensive:foul language.
Gamescontrary to the rules or established usages, as of a sport or game; unfair:a foul blow.
Sport[Baseball.]pertaining to a foul ball or a foul line.
limited in freedom of movement by obstruction, entanglement, etc.:a foul anchor.
abounding in errors or in marks of correction, as a printer's proof, manuscript, or the like.
Naval Terms(of the underwater portion of a hull) encrusted and impeded with barnacles, seaweed, etc.
Naval Terms(of a mooring place) involving inconveniences and dangers, as of colliding with vessels or other objects when swinging with the tide.
Naval Terms(of the bottom of a body of water) affording a poor hold for an anchor (opposed to clean).
Scottish Terms[North Eng. and Scot.]not fair; ugly or unattractive.
in a foul manner; vilely; unfairly.
Sport[Baseball.]into foul territory; so as to be foul:It looked like a homer when he hit it, but it went foul.
fall foul or afoul of:
Idiomsto collide with, as ships.
Idiomsto come into conflict with; quarrel.
Idiomsto make an attack; assault.
Idiomsrun foul or afoul of, to come into collision or controversy with:to run foul of the press.
something that is foul.
a collision or entanglement:a foul between two racing sculls.
Gamesa violation of the rules of a sport or game:The referee called it a foul.
Sport[Baseball.]See foul ball.
to make foul; defile; soil.
to clog or obstruct, as a chimney or the bore of a gun.
to collide with.
to cause to become entangled or caught, as a rope.
to defile; dishonor; disgrace:His reputation had been fouled by unfounded accusations.
Naval Terms[Naut.](of barnacles, seaweed, etc.) to cling to (a hull) so as to encumber.
Sport[Baseball.]to hit (a pitched ball) foul (often fol. by off or away):He fouled off two curves before being struck out on a fastball.
to become foul.
Naval Terms[Naut.]to come into collision, as two boats.
to become entangled or clogged:The rope fouled.
Sportto make a foul play; give a foul blow.
Sport Baseball. to hit a foul ball.
Idiomsfoul one's nest. to dishonor one's own home, family, or the like.
[Baseball.]to be put out by hitting a foul ball caught on the fly by a player on the opposing team.
[Basketball.]to be expelled from a game for having committed more fouls than is allowed.
Informal Termsfoul up, to cause confusion or disorder; bungle; spoil.
bef. 900; (adjective, adjectival and noun, nominal) Middle English ful, foul, Old English fūl; cognate with Gothic fuls, Old Norse fūll, Old High German fūl; akin to Latin pūspus,pūtēre to stink, Greek pýon pus; (adverb, adverbial) Middle English fule, foule, derivative of the adjective, adjectival; (verb, verbal) Middle English fulen, derivative of the adjective, adjectival
1.See corresponding entry in Unabridged repulsive, repellent.
2.See corresponding entry in Unabridged fetid, putrid, stinking.
3.See corresponding entry in Unabridged unclean, polluted, sullied, soiled, stained, tainted, impure. See dirty.
6.See corresponding entry in Unabridged rainy, tempestuous.
7.See corresponding entry in Unabridged adverse.
9.See corresponding entry in Unabridged base, shameful, infamous.
10.See corresponding entry in Unabridged smutty, vulgar, coarse, low.