Definition of nasty in English:

nasty

Line breaks: nasty
Pronunciation: /ˈnɑːsti
 
/

adjective (nastier, nastiest)

1Very bad or unpleasant: plastic bags burn with a nasty, acrid smell dad’s had a nasty accident
More example sentences
  • Through careful planning people can avoid inheritance tax, which can come as a nasty shock at what is bound to be an upsetting time.
  • Publishers, apparently, found it a nasty shock to be ‘up against someone whose skill in driving a bargain equalled if not excelled their own’.
  • For those who enjoy eating out (or eating in with a takeaway) and thought that by avoiding junk food they could do so healthily, this will have come as a nasty shock.
Synonyms
noxious, evil-smelling, foul-smelling, smelly, stinking, rank, rancid, fetid, malodorous, acrid
informal ghastly, horrid, gruesome, putrid, diabolical, yucky, sick-making, God-awful, gross, icky, stinky
British informal beastly, grotty, whiffy, pongy, niffy
North American informal lousy, skanky, funky
Australian informal on the nose
literary noisome, mephitic
rare miasmal, olid
serious, dangerous, bad, awful, dreadful, terrible, frightful, critical, severe, grave, alarming, worrying, concerning;
painful, ugly
1.1(Of the weather) unpleasantly cold or wet: it’s a nasty old night
More example sentences
  • This allows easy access at night or in nasty weather.
  • After what seemed like an eternity of thick fog and really nasty weather, the skies finally cleared up yesterday.
  • The weather was nasty, very, very stormy and a lot of people were seasick.
Synonyms
unpleasant, disagreeable, foul, filthy, inclement;
wet, rainy, stormy, cold, foggy, blustery, squally
1.2Repugnant to the mind: her stories are very nasty, full of murder and violence
More example sentences
  • Joe tried to look as his normal-self again; but his mind kept exploding with nasty thoughts towards the girl, Laura.
  • I want to think of something to insult you at the moment, but nothing comes to mind that's nasty enough not to compliment you.
  • He was a miserable little narrow minded bigot with a nasty temper.
2Behaving in an unpleasant or spiteful way: Harry was a nasty, foul-mouthed old devil
More example sentences
  • A voice that was nasty and spiteful, leaping at any chance to cause her pain.
  • His imperialists are often nasty folk who behaved horribly towards the natives under their yoke.
  • Not just a grudge, but a hateful, vindictive, nasty bitterness that I didn't even know existed until this person's name was brought up.
Synonyms
unkind, unpleasant, unfriendly, disagreeable, inconsiderate, uncharitable, rude, churlish, spiteful, malicious, mean, mean-spirited, ill-tempered, ill-natured, ill-humoured, bad-tempered, hostile, vicious, malevolent, evil-minded, surly, obnoxious, poisonous, venomous, vindictive, malign, malignant, cantankerous, hateful, hurtful, cruel, wounding, abusive
informal bitchy, catty
vulgar slang shitty
3Annoying or unwelcome: life has a nasty habit of repeating itself
More example sentences
  • Just too many nasty trick questions and annoying video clips of past statements, but that's why you get the big money.
  • Unfortunately, this type of viewing can become a nasty habit that, in the end, sabotages any meaningful engagement with sports.
  • Unfortunately, plenty of investors develop the nasty habit of boasting of their gains instead of contemplating possible overvaluation concerns.
Synonyms
4Damaging or harmful: a nasty, vicious-looking hatchet
More example sentences
  • It takes about five minutes to get to the surface without bursting your lungs or doing some other nasty damage to your body.
  • If left unchecked, free radicals cause nasty damage to the body's cell membranes and DNA.
  • Your luscious locks can also suffer from heat damage and nasty rays from the sun so they need some protection too.

noun (plural nasties)

informal Back to top  
1An unpleasant or harmful person or thing: a water conditioner to neutralize chlorine and other nasties
More example sentences
  • The problem with these nasties is that they lack motivation: it's impossible to tell whether they act out of naïvety, malice or both.
  • Yet despite the presence of molds, bacteria, and other nasties, most archaeological sites, including tombs, have proven safe for science and tourism alike.
  • The land tax sting is going to be quite a political nasty.
1.1A horror video or film. See also video nasty.
More example sentences
  • Blockbusters won't be stocking the new nasties.
  • I want to see horror hark back to the old days of video nasties.

Origin

late Middle English: of unknown origin.

Phrases

a nasty one

informal An awkward question or task.
More example sentences
  • This particular module was a nasty one: it modified the behavior of certain system calls to hide itself from the lsmod command and to hide the presence of scanners, crackers, sniffer logs and other such files.
  • ‘That was a nasty one,’ Eric commented jovially, melting out of the trees in his brown uniform.
  • I knew his expressions too well, and he would defiantly give me a nasty one this time.

a nasty piece (or bit) of work

British informal An unpleasant or untrustworthy person: if you ask me he’s a nasty piece of work
More example sentences
  • She is a nasty piece of work and people used to give her a very wide berth.
  • He is a nasty piece of work, and has to go, but there must be other ways to sort this out.
  • A womaniser, unfaithful, just a nasty piece of work.
Synonyms
informal beast, toad, pig, swine, rat, creep, bastard, louse, snake, skunk, dog, weasel, lowlife, scumbag, heel, stinkpot, stinker, bad lot, no-good, son of a bitch, s.o.b.
Scottish informal scrote
Irish informal spalpeen
North American informal rat fink, fink, schmuck
Australian informal dingo
New Zealand informal kuri
informal , dated rotter, hound, bounder, cad, blighter
black English rass
vulgar slang shit, sod, prick
archaic blackguard, dastard, knave, varlet, whoreson

a nasty taste in the mouth

see taste.

something nasty in the woodshed

Derivatives

nastily

adverb
More example sentences
  • It will fight nastily, brutally and with no compunction.
  • What I mean here is that when the Romans had a mutiny, obviously you can't kill everyone in a mutinous army as you'd have no army, so they killed some of them really nastily, and made the others watch.
  • Equally, why are stay-at-home mums so nastily eager to imagine that the children of their working sisters are damaged, unloved, neurotic, tormented?

Definition of nasty in:

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