- dirty
- 1
adjective dirtier, dirtiest
1 NOT CLEAN covered in dirt or marked with dirt: Just stack the dirty dishes in the sink. | Look how dirty your hands are! Go wash them right now!2 IMMORAL connected with sex in a way that is considered immoral or unpleasant: Mick's always telling dirty jokes. | There were a bunch of dirty magazines under his bed. | a dirty mind (=a mind that often thinks about sex) | dirty weekend humorous (=a weekend when a man and woman who are not married to each other go away to have sex)3 UNPLEASANT spoken used to emphasize that you think someone or something is very bad: You're a dirty liar! | Yeah, they gave us all the dirty jobs.4 DISHONEST unfair or dishonest: a dirty fighter | There's been some dirty business over these contracts. | dirty trick (=an unkind dishonest way of treating someone): I'm so sorry anyone should play such a dirty trick! | do the dirty on sb BrE (=treat someone in a way that is unfair or dishonest) | dirty pool AmE (=unfair or dishonest behaviour)5 be a dirty word if something is a dirty word, people believe it is a bad thing even if they do not know or think much about it: Nowadays power tends to be a slightly dirty word as far as organizations are concerned.6 give sb a dirty look to look at someone in a very disapproving way: When I went in there she gave me a dirty look and told me to take a seat.7 do sb's dirty work to do an unpleasant or dishonest job for someone so that they do not have to do it themselves: I told them to do their own dirty work.8 DRUGS AmE slang containing or possessing illegal drugs—see also: wash your dirty linen in public wash 1 (6) — dirtily adverb 2 adverb (I, T)1 dirty rotten spoken extremely nasty: the dirty rotten bastard! | What a dirty rotten trick!2 play dirtya) to behave in a very unfair and dishonest wayb) to cheat in a game3 talk dirty to talk rudely about sex4 dirty great/dirty big BrE spoken extremely big: We suddenly saw this dirty great truck coming towards us.3 verb dirtied, dirtying (I, T)1 to put or leave marks on something and make it no longer clean: Max wiped his dirtied hands on his thighs.2 dirty your hands on sth to become involved in something bad that will affect people's opinion of you
Longman dictionary of contemporary English. 2004.