1. [ noun ] malevolence by virtue of being malicious or spiteful or nasty
Synonyms: bitchiness spite spitefulness cattiness
Related terms: malevolence hurt
2. [ noun ] a state characterized by foul or disgusting dirt and refuse
Synonyms: filthiness foulness filth
Related terms: unsanitariness
3. [ noun ] the quality of being unpleasant

"I flinched at the nastiness of his wound"

Related terms: niceness unpleasantness beastliness nasty
Similar spelling:   naughtiness