Adjective
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 Pound2. exasperatingly difficult to handle or circumvent;
"a nasty problem""a good man to have on your side in a tight situation"3. thoroughly unpleasant;
"filthy (or foul or nasty or vile) weather we're having"4. characterized by obscenity;
"had a filthy mouth""foul language""smutty jokes"5. disgustingly dirty; filled or smeared with offensive matter;
"as filthy as a pigsty""a foul pond""a nasty pigsty of a room"