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nasty

[nas-tee] /ˈnæs ti/
adjective, nastier, nastiest.
1.
physically filthy; disgustingly unclean:
a nasty pigsty of a room.
2.
offensive to taste or smell; nauseating.
3.
offensive; objectionable:
a nasty habit.
4.
vicious, spiteful, or ugly:
a nasty dog; a nasty rumor.
5.
bad or hard to deal with, encounter, undergo, etc.; dangerous; serious:
a nasty cut; a nasty accident.
6.
very unpleasant or disagreeable:
nasty weather.
7.
morally filthy; obscene; indecent:
a nasty word.
8.
Slang. formidable:
The young pitcher has a good fast ball and a nasty curve.
noun, plural nasties.
9.
Informal. a nasty person or thing.
Origin
1350-1400
1350-1400; Middle English < ?
Related forms
nastily, adverb
nastiness, noun
Synonyms
1. dirty, foul, loathsome. 2. sickening, repulsive, repellent. 6. stormy, inclement. 7. smutty, pornographic.
Antonyms
1. clean, pure.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for nastily

nasty

/ˈnɑːstɪ/
adjective -tier, -tiest
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.
(Brit, informal) nasty piece of work, a cruel or mean person
noun (pl) -ties
6.
an offensive or unpleasant person or thing: a video nasty
Derived Forms
nastily, adverb
nastiness, noun
Word Origin
C14: origin obscure; probably related to Swedish dialect nasket and Dutch nestig dirty
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
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Word Origin and History for nastily

nasty

adj.

c.1400, "foul, filthy, dirty, unclean," of unknown origin; perhaps [Barnhart] from Old French nastre "miserly, envious, malicious, spiteful," shortened form of villenastre "infamous, bad," from vilein "villain" + -astre, pejorative suffix, from Latin -aster.

Alternative etymology [OED] is from Dutch nestig "dirty," literally "like a bird's nest." Likely reinforced in either case by a Scandinavian source (cf. Swedish dialectal naskug "dirty, nasty"), which also might be the source of the Middle English word. Of weather, from 1630s; of things generally, "unpleasant, offensive," from 1705. Of people, "ill-tempered," from 1825. Noun meaning "something nasty" is from 1935. Related: Nastily; nastiness.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for nastily

nasty

adjective

Good; stylish; admirable (1834+)

noun
  1. Something unpleasant, repulsive, etc: pathos, poverty, and other real-life nasties (1971+)
  2. The sex act: We caught them doing the nasty in his bedroom
  3. A vicious person; villain: takes her family on a river trip, where they are taken prisoner by nasties/ a few of the nasties are scenery-chomping, world-class scum (1930s+)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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