Definition of nasty
1a : disgustingly filthy nasty living conditionsb : physically repugnant a nasty taste
5a : difficult to understand or deal with a nasty problem a nasty curveballb : psychologically unsettling : trying a nasty fear that she was lost
6 : lacking in courtesy or sportsmanship a nasty trick
nastilyplay \ˈna-stə-lē\ adverb
nastinessplay \ˈna-stē-nəs\ noun
Examples of nasty in a sentence
She has a nasty habit of biting her fingernails.
The medicine left a nasty taste in my mouth.
That nasty old man yelled at me just for stepping on his lawn!
He sent a nasty letter to the company.
She's got quite a nasty temper.
He said lots of downright nasty things about her.
She called him a few nasty names and left.
Origin and Etymology of nasty
First Known Use: 14th century
Synonym Discussion of nasty
NASTY Defined for English Language Learners
Definition of nasty for English Language Learners
: very unpleasant to see, smell, taste, etc.
: indecent and offensive
: unpleasant and unkind
NASTY Defined for Kids
Definition of nasty for Students
Seen and Heard
What made you want to look up nasty? Please tell us where you read or heard it (including the quote, if possible).