Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

not turn a hair

Definition

to not show any emotion when you are told something bad or when something bad happens: I was expecting him to be horrified when he heard the cost but he didn't turn a hair.Not showing or feeling emotionsControlling emotions
(Definition of not turn a hair from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Word of the Day

a cloud on the horizon

something which threatens to cause problems or unhappiness in the future

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More