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Synonyms

nasty

1 American  
[nas-tee] / ˈnæs ti /

adjective

nastier, nastiest
  1. physically filthy; disgustingly unclean.

    a nasty pigsty of a room.

    Synonyms:
    grimy, foul, dirty
    Antonyms:
    unstained, spotless, immaculate, clean
  2. offensive to taste or smell; nauseating.

    This ointment is really nasty—couldn't they make it smell less vile?

    Synonyms:
    ugly, catty, bitchy, malevolent, malicious, mean, repellent, repulsive, sickening
  3. offensive; objectionable.

    a nasty habit.

  4. vicious, spiteful, or unkind.

    a nasty dog;

    a nasty rumor.

  5. bad or hard to deal with, encounter, undergo, etc.; dangerous; serious: a nasty accident.

    a nasty cut;

    a nasty accident.

  6. very unpleasant or disagreeable.

    nasty weather.

    Synonyms:
    inclement, stormy
  7. morally filthy; obscene; indecent.

    a nasty word.

    Synonyms:
    smutty
  8. Slang. formidable: a young pitcher with a nasty slider.

    the raw, nasty power of this engine;

    a young pitcher with a nasty slider.


noun

plural

nasties
  1. Informal. a nasty person or thing.

-nasty 2 American  
  1. a combining form with the meaning “nastic pressure,” of the kind or in the direction specified by the initial element.

    hyponasty.


nasty 1 British  
/ ˈnɑːstɪ /

adjective

  1. unpleasant, offensive, or repugnant

  2. (of an experience, condition, etc) unpleasant, dangerous, or painful

    a nasty wound

  3. spiteful, abusive, or ill-natured

  4. obscene or indecent

  5. informal a cruel or mean person

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. an offensive or unpleasant person or thing

    a video nasty

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
-nasty 2 British  

combining form

  1. indicating a nastic movement to a certain stimulus

    nyctinasty

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • -nastic combining form
  • nastily adverb
  • nastiness noun

Etymology

Origin of nasty1

First recorded in 1350–1400; Middle English, further origin unknown

Origin of -nasty2

< Greek nast ( ós ) pressed close ( nastic ) + -y 3

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"It can be good bits, and then it can be awful bits and aggressive bits and upsetting bits. And that's just what the Tourette's does. It's nasty."

From BBC

After sets from intergenerational jam bands and folk-rock legends, the newest resident at Las Vegas’ Sphere will be a little louder and nastier than usual.

From Los Angeles Times

Then all at once it didn’t taste so nasty any more.

From Literature

The nasty remark about the hat is just the opening salvo.

From Los Angeles Times

Magistrate Mark Nieman told Taylor he was "a man who can be charming and pleasant, but you can be nasty and violent".

From BBC