foul

Covered with, or containing unclean matter; dirty.

This cloth is too foul to use as a duster.

His foul hands got dirt all over the kitchen.

Obscene, vulgar or abusive.

The rascal spewed forth a series of foul words.

His foul language causes many people to believe he is uneducated.

Detestable, unpleasant, loathsome.

He has a foul set of friends.

[…]Hast thou forgot / The foul witch Sycorax, who with age and envy / Was grown into a hoop? Hast thou forgot her?

Disgusting, repulsive; causing disgust.

This foul food is making me retch.

There was a foul smell coming from the toilet.

Ugly; homely; poor.

Let us, like merchants, show our foulest wares.

To make dirty.

to foul the face or hands with mire

She's fouled her diaper.

To besmirch.

He's fouled his reputation.

To obstruct, block, or otherwise interfere with (something), for example by clogging (a drain, gun barrel, chimney, etc) or by being in the way of (a gunshot, etc).

The hair has fouled the drain.

The recent opening of the bridge at the south end of Lincoln Station has enabled trains to take water there without fouling the level crossings at both ends of the platforms.

To entangle.

The kelp has fouled the prop.

The Indian's heart was sore for his boat; it looked as if nothing could save her. She was drifting more slowly now, her propeller fouled in kelp.

To make contact with an opposing player in order to gain advantage.

Smith fouled him hard.

The Gunners dominated for long periods but, against the run of play, Denilson fouled Max Gradel and Robert Snodgrass put Leeds ahead from the spot.

A breach of the rules of a game, especially one involving inappropriate contact with an opposing player in order to gain an advantage; for example, tripping someone up in soccer, or contact of any kind in basketball.

A second Norwich goal in four minutes arrived after some dire Newcastle defending. Gosling gave the ball away with a sloppy back-pass, allowing Crofts to curl in a cross that the unmarked Morison powered in with a firm, 12-yard header. Gosling's plight worsened when he was soon shown a red card for a foul on Martin.

Even though we were swept, we did outstat the Fast Breakers in one category: they had six technical fouls for the series (three for Bibby, two for Matthews, and one for Shouse), and we totaled nine (three each for Mannion and me, one each for Jose Slaughter, Lewis, and Lamp).

A (usually accidental) contact between a bowler and the lane before the bowler has released the ball.

A foul ball, a ball which has been hit outside of the base lines.

Jones hit a foul up over the screen.