Definitions

1. adjective

being extremely choosy and finicky about what one eats, wears, or does

“My pickiest friend refused to eat the new restaurant’s vegetarian option.”

2. noun

the most choosy or finicky person

“She’s the pickiest eater I’ve ever met.”

3. adverb

in a choosy or finicky manner

“She eats pickiest when it comes to spicy food.”