Crossword Clue:

Making excessively fine distinctions

AnswerCrossword Clue
NUANCESFine distinctions
SPLITHAIRSMake fine distinctions.
HAIRSThings figuratively split in drawing fine distinctions.
SPLITTINGHAIRSMaking petty distinctions
HAIRSPLITTINGMaking distinctions of little importance