Nasty
Nasty (nȧs"ty) , adjective
[For older nasky; compare dial. Swedish naskug, nasket.]
1.
Offensively filthy; very dirty, foul, or defiled; disgusting; nauseous.
2.
Hence, loosely: Offensive; disagreeable; unpropitious; wet; drizzling; as, a nasty rain, day, sky.
3.
Characterized by obscenity; indecent; indelicate; gross; filthy.
4.
Vicious; offensively ill-tempered; insultingly mean; spiteful; as, a nasty disposition.
5.
Difficult to deal with; troublesome; as, he fell of his bike and got a nasty bruise on his knee. [slang]