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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.

His similarity to the film’s villain, Mr. Potter — a wealthy, nasty slumlord who names everything he takes control of after himself — was easier to point out than spots on a cheetah.

From Los Angeles Times

His fear is that the consensus for economic growth, moderate inflation, and falling interest rates will be upended by a nasty reemergence of inflation and higher interest rates.

From Barron's

His fear is that the consensus for economic growth, moderate inflation, and falling interest rates will be upended by a nasty reemergence of inflation and higher interest rates.

From Barron's

The story is rudimentary: Elongated blue cat people prepare for a gigantic battle with the nasty, militarized, heartless, corporation-backed human colonists, or “sky people.”

From The Wall Street Journal

The Warner auction has taken several nasty turns.

From Los Angeles Times