dirty.

Unclean; covered with or containing unpleasant substances such as dirt or grime.

Despite a walk in the rain, my shoes weren't too dirty.

That makes one unclean; corrupting, infecting.

Don't put that in your mouth, dear. It's dirty.

Morally unclean; obscene or indecent, especially sexually.

At the reception, Uncle Nick got drunk and told dirty jokes to the bridesmaids.

Dishonorable; violating accepted standards or rules.

He might have scored, but it was a dirty trick that won him the penalty.

Corrupt, illegal, or improper.

I won't accept your dirty money!

Out of tune.

You need to tune that guitar: the G string sounds dirty.

Of color, discolored by impurities.

The old flag was a dirty white.

Containing data needing to be written back to memory or disk.

Occasionally it reads the sector into a dirty buffer, which means it needs to sync the dirty buffer first.

Carrying illegal drugs among one's possessions or inside of one's bloodstream.

None of y'all get into my car if you're dirty.

Used as an intensifier, especially in conjunction with "great".

He lives in a dirty great mansion.

Sleety; gusty; stormy.

dirty weather

Of an alcoholic beverage, especially a cocktail or mixed drink: served with the juice of olives.

dirty martini

Of food, indulgent in an unhealthy way.

Of food, covered in an array of indulgent toppings.

Spreading harmful radiation over a wide area.

a dirty explosion

a dirty bomb

Having the undercarriage or flaps in the down position.

Of an audio recording: containing unwanted noise.

Producing much ash.

Containing something out of focus in the foreground, so as to frame the main subject.

In a dirty manner.

to play dirty

To make (something) dirty.

To stain or tarnish (somebody) with dishonor.

To debase by distorting the real nature of (something).

To become soiled; to soil or defecate on.

Anything that is dirty.