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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.

"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

The dragons are so nasty they make those in “Game of Thrones” look like toddlers having tantrums.

From The Wall Street Journal

After nearly 60 years of observing conflict, I've got a nasty feeling he's right.

From BBC

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