finicky
Definitions
Fussy or difficult to please, especially about food or details.
Requiring great attention to detail or precision.
Examples
My cat is extremely finicky about what she eats, often refusing anything but her favorite brand of wet food.
The engine is quite finicky in cold weather and requires a few minutes to warm up before it runs smoothly.
He is a finicky eater who picks every piece of onion out of his salad.
Synonyms
fussy fastidious picky particular demanding persnickety choosy
Antonyms
easygoing unfussy indifferent careless relaxed undemanding tolerant