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Region: General | Usage example: The auditors went through the accounts with a fine-tooth comb.

Fine-tooth comb

Meaning

Examine something very carefully.

Usage

Used when describing meticulous reviews.

Origin & History

Origin notes can vary by region and source; this page gives the commonly reported explanation and usage context.

Combing hair with a fine-toothed comb to catch small particles.

Used since the 19th century in print.