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Definition of (as) cool as a cucumber in US English:

(as) cool as a cucumber

phrase

  • 1Untroubled by heat or exertion.

    ‘he leaps up the six flights of stairs and arrives at the top as cool as a cucumber’
    • ‘How to be cool as a cucumber at the searing heat of 45 degree Celsius?’
    • ‘No, Mamma, it's not hot at all, it's as cool as a cucumber.’’
    untroubled, undisturbed, unworried, unconcerned, unmoved, unflustered, unruffled, unshaken, undismayed
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    1. 1.1 Calm and relaxed.
      • ‘Trying to get him angry with an increasingly cruel set of stunts, our newly cool as a cucumber bandleader learns that staying calm has some sensational fringe benefits.’
      • ‘The man from Moscow, calm and cool as a cucumber, knocked him out cold.’
      • ‘Unperturbed, cool as a cucumber, he stuck with his task.’
      • ‘I bet you anything Jason's at home cool as a cucumber, not stressing over what he's going to wear.’
      • ‘Opening night, and while Amy was as cool as a cucumber, I was the one that was feeling nervous, and I wasn't even in the play at all.’
      calm, cool, unconcerned, collected, cool, calm, and collected, cool as a cucumber, composed, airy
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