Dictionary.net

especially of a ship's lines etc; "with its sails afoul"; "a foul anchor"

spot, stain, or pollute; "The townspeople defiled the river by emptying raw sewage into it"

(of a baseball) not hit between the foul lines

commit a foul; break the rules

an act that violates of the rules of a sport

become soiled and dirty

make unclean; "foul the water"

hit a foul ball

thoroughly unpleasant; "filthy (or foul or nasty or vile) weather we're having"

especially of a ship's lines etc; "with its sails afoul"; "a foul anchor"

spot, stain, or pollute; "The townspeople defiled the river by emptying raw sewage into it"

(sports) an act that violates of the rules of the sport

(of a baseball) not hit between the foul lines

commit a foul; break the rules

become foul or dirty

Scurrilous; obscene or profane; abusive; as, foul words; foul language.

Hateful; detestable; shameful; odious; wretched.

Loathsome; disgusting; as, a foul disease.

Ugly; homely; poor.

Not conformed to the established rules and customs of a game, conflict, test, etc.; unfair; dishonest; dishonorable; cheating; as, foul play.

To make filthy; to defile; to daub; to dirty; to soil; as, to foul the face or hands with mire.

To incrust (the bore of a gun) with burnt powder in the process of firing.

To cover (a ship's bottom) with anything that impered its sailing; as, a bottom fouled with barnacles.

To entangle, so as to impede motion; as, to foul a rope or cable in paying it out; to come into collision with; as, one boat fouled the other in a race.

To become clogged with burnt powder in the process of firing, as a gun.

To become entagled, as ropes; to come into collision with something; as, the two boats fouled.

An entanglement; a collision, as in a boat race.

See Foul ball, under Foul, a.

In various games or sports, an act done contrary to the rules; a foul stroke, hit, play, or the like.

Not favorable; unpropitious; not fair or advantageous; as, a foul wind; a foul road; cloudy or rainy; stormy; not fair; - said of the weather, sky, etc.

Scurrilous; obscene or profane; abusive; as, foul words; foul language.

Hateful; detestable; shameful; odious; wretched.

Loathsome; disgusting; as, a foul disease.

Ugly; homely; poor.

Not conformed to the established rules and customs of a game, conflict, test, etc.; unfair; dishonest; dishonorable; cheating; as, foul play.

To make filthy; to defile; to daub; to dirty; to soil; as, to foul the face or hands with mire.

To incrust (the bore of a gun) with burnt powder in the process of firing.

To cover (a ship's bottom) with anything that impered its sailing; as, a bottom fouled with barnacles.

To entangle, so as to impede motion; as, to foul a rope or cable in paying it out; to come into collision with; as, one boat fouled the other in a race.

To become clogged with burnt powder in the process of firing, as a gun.

To become entagled, as ropes; to come into collision with something; as, the two boats fouled.

An entanglement; a collision, as in a boat race.

In various games or sports, an act done contrary to the rules; a foul stroke, hit, play, or the like.

Not favorable; unpropitious; not fair or advantageous; as, a foul wind; a foul road; cloudy or rainy; stormy; not fair; - said of the weather, sky, etc.

See ball, under Foul, a.

Offensive, morally or physically; dirty; impure; loathsome; disgraceful; unfair; cloudy and stormy; contrary, as a wind; entangled, as an anchor.

An unfair or wrong play in football, etc.

To make dirty; defile; come into collision with.

To become dirty; in baseball. Etc.; to make a foul play.

Foulness.

Foulness.

Filthy: loathsome: profane: impure: stormy: unfair: running against: entangled.

To come into collision:-pr.p. fouling; pa.p. fouled'.

The act of fouling, colliding, or otherwise impeding due motion or progress: specifically, in a racing contest, the impeding of a competitor by collision, jostling, or the like: in baseball, a batted ball which first strikes the ground not a sufficient distance inside one of the lines drawn from the home base to the first and the third bases.

Foulness.

To collide (with); make or become foul or dirty; commit a breach of rule.

Offensive; loathsome; filthy.

Obstructing, entangling, or injuring; unfair.

An act of fouling; a collision; breach of rule.

Into collision; to an attack.

To make foul; entangle.

Unclean; impure; disgusting; offensive; stormy; unfair; in collision with; entangled.

Filthy; not clean; turbid; muddy; impure; scurrilous, obscene, or profane; cloudy and stormy; rainy; defiling; detestable; unfair; loathsome; disgraceful; gross; full of gross humours or impurities; full of weeds; entangled; hindered from motion, opposed to clear; covered with weeds or barnacles, as a ship's bottom; contrary, as wind; not safe.

To make filthy; to defile; to soil; to bring into collision.

To become foul; to come into collision. To fall foul, to rush on with haste, rough force, and unseasonable violence; to run against. Foul-anchor, when the cable has a turn round the anchor.

Not clean; offensive; dirty; coarse; disgraceful; rainy or tempestuous-applied to weather; entangled; dangerous.

To make filthy; to defile.

Not clean, filthy; impure, polluted; wicked, detestable; unjust; coarse, gross; full of gross humours, wanting purgation, cloudy, stormy; not bright, not serene; with rough force, with unseasonable violence; among seamen, entangled, as a rope is foul of the anchor.