[syn: filthy, foul, nasty]
The Collaborative International Dictionary of English v.0.48:
Nasty \Nas"ty\ (n[.a]s"t[y^]), a. [Compar. Nastier
(n[.a]s"t[i^]*[~e]r); superl. Nastiest.] [For older nasky;
cf. dial. Sw. naskug, nasket.]
1. Offensively filthy; very dirty, foul, or defiled;
disgusting; nauseous.
[1913 Webster]
2. Hence, loosely: Offensive; disagreeable; unpropitious;
wet; drizzling; as, a nasty rain, day, sky.
[1913 Webster]
3. Characterized by obscenity; indecent; indelicate; gross;
filthy.
[1913 Webster]
4. Vicious; offensively ill-tempered; insultingly mean;
spiteful; as, a nasty disposition.
[PJC]
5. Difficult to deal with; troublesome; as, he fell of his
bike and got a nasty bruise on his knee. [slang]
[PJC]
Syn: Nasty, Filthy, Foul, Dirty.
Usage: Anything nasty is usually wet or damp as well as
filthy or dirty, and disgusts by its stickiness or
odor; but filthy and foul imply that a thing is filled
or covered with offensive matter, while dirty
describes it as defiled or sullied with dirt of any
kind; as, filthy clothing, foul vapors, etc.
[1913 Webster]
WordNet (r) 3.0 (2006):
nasty
adj 1: offensive or even (of persons) malicious; "in a nasty
mood"; "a nasty accident"; "a nasty shock"; "a nasty
smell"; "a nasty trick to pull"; "Will he say nasty
things at my funeral?"- Ezra Pound [syn: nasty,
awful] [ant: nice]
2: exasperatingly difficult to handle or circumvent; "a nasty
problem"; "a good man to have on your side in a tight
situation" [syn: nasty, tight]
3: characterized by obscenity; "had a filthy mouth"; "foul
language"; "smutty jokes" [syn: cruddy, filthy, foul,
nasty, smutty]
4: disgustingly dirty; filled or smeared with offensive matter;
"as filthy as a pigsty"; "a foul pond"; "a nasty pigsty of a
room" [syn: filthy, foul, nasty]