IdiomDaily LifeEnglish

split hairs

Meaning: To argue about some detail that is not important.

Example: “Whether it's teal or turquoise, let's not split hairs.”

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Origin: A hair is so fine that splitting it lengthwise would be absurdly precise. Earlier English said "cut a hair"; "split hairs" for arguing over tiny differences is recorded from the 17th century.

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