faultfinder

[ fawlt-fahyn-der ]
/ ˈfɔltˌfaɪn dər /

noun

a person who habitually finds fault, complains, or objects, especially in a petty way.

Origin of faultfinder

First recorded in 1555–65; fault + finder
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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