dirty Definition

dirty
adj dirtier, dirtiest

1. Marked with dirt; soiled.

Thesaurus: soiled, filthy, nasty, slovenly, messy, squalid, polluted, unhygienic; Antonym: clean, spotless, sanitary.
2. Making one become soiled with dirt.

Example: a dirty job
3. Unfair; dishonest.

Example: dirty tricks
4. Obscene, lewd or pornographic.

Example: dirty films
Thesaurus: obscene, indecent, pornographic, smutty, lewd, ribald, salacious, risqué, off-colour (US), vulgar, blue.
5. Said of weather: rainy or stormy.
6. Said of a colour: dull.
7. Showing dislike or disapproval.

Example: a dirty look
8. Unsportingly rough or violent.

Example: a dirty tackle

verb

dirties, dirtied, dirtying
1. To make dirty.

Thesaurus: stain, foul, pollute, spoil, tarnish, soil, mess, defile, sully; Antonym: clean, cleanse.

adverb

1. Dirtily.

Example: fight dirty
2. Very.

Example: dirty great stain

Derivative: dirtily
adverb

Derivative: dirtiness
noun

Idiom: do the dirty on someone

colloq
To cheat or trick them.