Meaning

adjective annoyed and irritable

adjective overcrowded or cluttered with detail

adjective exacting especially about details

originEtymology tree English fuss Proto-Indo-European *-kos Proto-Germanic *-gaz Proto-West Germanic *-g Old English -iġ Middle English -y English -y English fussy From fuss + -y.

Etymology from Wiktionary, CC BY-SA 3.0