[noun] persistent petty and unjustified criticism Synonyms:faultfinding
[adjective] quibbling over insignificant details; "caviling pettifoggers and quiggling pleaders"-Edmund Burke; "her nagging and carping attack"; "thought her editor unnecessarily nitpicking"; "a pettifogging lawyer's mind"; "had no patience with quibbling critics" Synonyms:caviling, nitpicking, pettifogging, quibbling