characterized by oppressive heat and humidity; "the summer was sultry and oppressive"; "the stifling atmosphere"; "the sulfurous atmosphere preceding a thunderstorm"
suggestive of or tending to moral looseness; "lewd whisperings of a dirty old man"; "an indecent gesture"; "obscene telephone calls"; "salacious limericks"
exasperatingly difficult to handle or circumvent; "a nasty problem"; "a good man to have on your side in a tight situation"
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