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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.

Rather alarmingly, some nasty bugs are found too.

From BBC

She was good last year and good this year, at least in the monologue, which she approached like a roast, without being nasty.

From Los Angeles Times

They’re the fifth-most penalized team in the country this season and have a nasty habit of extending an opponent’s drive by jumping offsides at the exact wrong moment.

From The Wall Street Journal

"All of this is being done for cheap clicks online. Then you get loads of nasty comments which then affect your confidence, your self esteem."

From BBC

“You want the cheapest, nastiest crude others can’t run,” Kemp said.

From The Wall Street Journal