Definition of "finicky" in English

adjective

1. (informal, of a person) Fastidious and fussy; difficult to please; exacting, especially about details.

   • My editor is very finicky about punctuation. Every dot and comma has to be just right.
   • She has a finicky baby that's hard to feed.

2. (informal) Demanding; requiring above-normal care.

   • The lawnmower is a bit finicky in cold weather.