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English definition of “composure”

composure

noun [U]     /kəmˈpəʊ.ʒər/ US  /-ˈpoʊ.ʒɚ/
the feeling of being calm, confident, and in control: I didn't want to lose my composure in front of her.Calm and relaxedControlling emotionsCalm and relaxedNot showing or feeling emotions
(Definition of composure noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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