turn a hair

phrase

: to give a sign of distress or disturbance
… did not turn a hair when told of the savage murder …The Times Literary Supplement (London)

Cite this Entry

“Turn a hair.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/turn%20a%20hair. Accessed 23 Dec. 2025.

Last Updated: - Definition revised
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