cool and collected

The phrase is used to describe the demeanour of a person;other meanings are--dignified,unperturbed
Even after her darling husband's untimely death, she continued living her life in her usual cool and collected fashion
by Urvi Sukul Singh February 03, 2008
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calm cool and collected

someone who does not fall for rage baits easily
Julia is not calm cool and collected because she falls for rage baits easily.
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