Simple Definition of nasty
: very unpleasant to see, smell, taste, etc.
: indecent and offensive
: unpleasant and unkind
Full Definition of nasty
1 a : disgustingly filthy b : physically repugnant
4 a : extremely hazardous or harmful <a nasty undertow> b : causing severe pain or suffering <a nasty wound> <a nasty fall> c : sharply unpleasant : disagreeable <nasty weather>
5 a : difficult to understand or deal with <a nasty problem> <a nasty curveball> b : psychologically unsettling : trying <a nasty fear that she was lost>
6 : lacking in courtesy or sportsmanship <a nasty trick>
Examples of nasty
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 of nasty
First Known Use: 14th century
Synonym Discussion of nasty
Seen and Heard
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