fine-tooth comb

American  

[fahyn-tooth] / ˈfaɪnˌtuθ /

Also fine-toothed comb

noun

1. a comb having narrow, closely set teeth.

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idioms

1. go over / through with a fine-tooth comb, to examine in close detail; search thoroughly; fine-comb.

   The police went over the apartment with a fine-tooth comb.

fine-tooth comb British  

noun

1. a comb with fine teeth set closely together

2. to examine very thoroughly

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fine-tooth comb More Idioms  

1. A method of searching or investigating in minute detail, as in He examined the figures with a fine-tooth comb but found no errors. The practice of using a comb with close-set teeth to comb out head lice was transferred to various kinds of investigation in the late 1800s.

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Etymology

Origin of fine-tooth comb

First recorded in 1830–40

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Example Sentences

See Examples For:

fine-tooth comb

While there are similarities between transactions designed to avoid different reporting requirements, investigators will look at them with a fine-tooth comb.

From MarketWatch ● Feb. 26, 2026

They decipher games with a fine-tooth comb when the truth is that they are decided either by defensive mistakes or good play in the final third, both of which produce goal-scoring opportunities.

From BBC ● Nov. 23, 2025

Lawyers in Idaho Attorney General Lawrence Wasden’s office are going through all the state’s abortion statutes with a fine-tooth comb, said Wasden spokesman Scott Graf.

From Seattle Times ● Jul. 1, 2022

Thompson told CNN that the committee plans to inspect the documents with a "fine-tooth comb to make sure that our government was not weaponized against its citizens."

From Salon ● Nov. 10, 2021

He’d learned that a fine-tooth comb was never going to make its way through my hair and that a wide-toothed one really only worked when my hair was wet.

From "Harbor Me" by Jacqueline Woodson

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