Very careful in choosing; highly selective.
The definition of fussy is a person demanding attention, complaining a lot or worrying about nothing.
Requiring great care, effort, or attention:
Delicately pretty or lovely
Requiring strict attention to detail; demanding:
(Informal) Demanding, requiring above-normal care.
The definition of fastidious is a very careful attention to detail, or an uptight or hyper-critical person.
Showing or requiring great precision or sensitive discernment; subtle:
Find another word for picky. In this page you can discover 18 synonyms, antonyms, idiomatic expressions, and related words for picky, like: choosy, fussy, particular, exacting, finical, meticulous, dainty, persnickety, accepting, finicky and squeamish.