Finicky/ˈfɪnɪki/ Definition 1 of 2Pro Tip 1/3Personality Trait Finicky may imply a difficult personality when describing a person or animal. He's so finicky, it's impossible to find a gift he'll like. Pro Tip 2/3Negative Connotation Often has a slight negative tone, suggesting over-particularity can be annoying. Her finicky demands made her difficult to cook for. Pro Tip 3/3Subjective Choice Finicky choices may seem unreasonable or without clear rationale to others. She's finicky about colors, rejecting ones without knowing why.