- soiled with dirt; foul; unclean: dirty laundry.
- spreading or imparting dirt; soiling: dirty smoke.
- vile; mean; sordid; contemptible: to play a dirty trick on someone.
- obscene; pornographic; lewd: a dirty joke.
- undesirable or unpleasant; thankless: He left the dirty work for me.
- very unfortunate or regrettable: That's a dirty shame!
- not fair or sportsmanlike; unscrupulous: a dirty fighter.
- hostile, insulting, contemptuous, or resentful: She gave me a dirty look. He made a dirty crack about the cooking.
- (of a nuclear weapon) producing a relatively large amount of radioactive fallout.
- (of the weather) stormy; squally: It looks dirty to windward.
- Informal. obtained through illegal or disreputable means: dirty money.
- appearing as if soiled; dark-colored; dingy; murky.
- Slang. using or in possession of narcotics.
- Foreign Exchange. (of currency floats) manipulated, as by a central bank influencing or changing exchange rates (opposed to clean).
- to make or become dirty.
- Informal. in a mean, unscrupulous, or underhand way: to play dirty.
- Informal. in a lewd manner: to talk dirty.
- do (someone) dirty, Slang. to treat unfairly or reprehensibly, as by cheating or slandering.
Origin of dirty
SynonymsSee more synonyms on Thesaurus.com
Examples from the Web for dirtier
I head back across town where the air is hotter, the streets are dirtier, and the hair is several shades darker.How to Guest Star in Your Own Life
May 10, 2014
Also, it is unacceptable for the military to pay more for cleaner fuels, but necessary for it to pay more for dirtier fuel.Republicans Against the Pentagon
May 24, 2012
The oddest part of these experiences is that the dirtier the inn the better the fare.The Roof of France
"I do not think I have ever seen a dirtier ruffian," said he.St. Martin's Summer
He always moves on to some place where it's hotter and dirtier.
She was sure dressed for dirtier work than she would ever have to do in that lab.Card Trick
Walter Bupp AKA Randall Garrett
As a whole, I don't think it is any dirtier than most of the cities of Europe.Down the Rhine
- covered or marked with dirt; filthy
- obscene; salaciousdirty books
- sexually clandestinea dirty weekend
- causing one to become grimya dirty job
- (of a colour) not clear and bright; impure
- unfair; dishonest; unscrupulous; unsporting
- mean; nastya dirty cheat
- scandalous; unkinda dirty rumour
- revealing dislike or angera dirty look
- (of weather) rainy or squally; stormy
- (of an aircraft) having projections into the airstream, such as lowered flaps
- (of an explosive device) modified to cause radioactive contaminationCompare clean (def. 5)
- be dirty on Australian slang to be offended by or be hostile towards
- dirty dog a despicable person
- dirty linen informal intimate secrets, esp those that might give rise to gossip
- dirty pool slang, mainly US, Canadian and Australian dishonest behaviour
- dirty word
- an obscene word
- something that is regarded with disapprovalfederalism is a dirty word
- dirty work unpleasant or illicit activity
- do the dirty on British informal to behave meanly or unkindly towards
- to make or become dirty; stain; soil
Word Origin and History for dirtier
c.1500, from dirt + -y (2). Earlier dritty (late 14c.). Meaning "smutty, morally unclean" is from 1590s. Of colors, from 1690s. Dirty linen "personal or familial secrets" is first recorded 1860s. Dirty work in the figurative sense is from 1764; dirty trick is from 1670s. The dirty look someone gives you is from 1928; dirty old man "superannuated lecher" is from 1932. Related: dirtiness.
1590s, from dirty (adj.). Related: Dirtied; dirtying.