1. excessively concerned with minor details or rules; fussy about small things
Usage: informal

Examples

• My persnickety grandmother always arranges her books in perfect alphabetical order.
• The chef was persnickety about the presentation of every dish.
• Don’t be so persnickety about the font choice for the invitation.
• She’s persnickety when it comes to keeping her car spotlessly clean.
• The persnickety editor corrected every tiny punctuation error.
• He’s too persnickety to enjoy camping in the wilderness.