"faultfinding" in the noun sense
1. faultfinding, carping
persistent petty and unjustified criticism
"faultfinding" in the adjective sense
tending to make moral judgments or judgments based on personal opinions
"a counselor tries not to be faultfinding"
2. captious, faultfinding
tending to find and call attention to faults
"a captious pedant"
"an excessively demanding and faultfinding tutor"
Source: WordNet® (An amazing lexical database of English)
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