fin ‧ i ‧ cky /ˈfɪnɪki/ BrE AmE adjective
[ Date: 1500-1600 ; Origin: finical 'finicky' (16-20 centuries) , probably from ⇨ ↑ fine 1 ]
1 . too concerned with unimportant details and small things that you like or dislike SYN fussy :
She’s very finicky about what she eats.
2 . needing to be done very carefully, while paying attention to small details SYN fiddly :
a finicky job