IPA: /ˈnæsti/
KK: /ˈnæsti/
Something that is very unpleasant, dirty, or offensive. It can also refer to something that is difficult to deal with or causes harm.
The weather was nasty, with heavy rain and strong winds.
Comparative: nastier
Superlative: nastiest
A person or thing that is unpleasant, offensive, or disgusting.
The nasty left a bad impression on everyone at the party.
Nasty → This word originates from the Middle English *nasty*, meaning filthy or unpleasant, which is derived from the Old French *nastre*, meaning to be born or to be born of a certain quality. The word reflects a sense of something that is unpleasant or offensive.
Think of something that is 'filthy' or 'unpleasant' — that's why 'nasty' describes something that is distasteful.