fault-finding
noun
the manager tries to get results by fault-finding and nagging:
criticism, captiousness, cavilling, quibbling, niggling, pedantry, hairsplitting;
complaining, grumbling, carping, moaning, whining, bleating;
informal nitpicking, griping, grousing, grouching, bellyaching;
archaic overnice.
▷antonyms praise.
adjective
a fault-finding spectator:
critical, censorious, carping, captious, cavilling, quibbling, niggling;
overcritical, hypercritical, pedantic, overprecise, overexact, over-rigorous, over-strict, hairsplitting, hard/difficult/impossible to please, pettifogging;
Scottish, & Irish pass-remarkable;
informal nitpicking;
British, informal pernickety;
North American, informal persnickety.