Learn English idioms with meanings and examples

🌎Region: International 📊Difficulty Level:intermediate

cool as a cucumber

Very calm and unbothered, especially in a stressful situation; composed and not showing anxiety.

Recorded from the 1700s; based on the idea that cucumbers stay cool to the touch inside even in warm weather, making them a metaphor for calm composure.

Usually complimentary: calm, composed, unflustered under pressure. Implies emotional control. Common in everyday speech; can be ironic if the person is actually nervous.

  • Even with the deadline moved up, Maya stayed cool as a cucumber and finished the report.
  • The goalkeeper was cool as a cucumber during the penalty shootout.
  • When the interviewer challenged him, he remained cool as a cucumber and answered calmly.
  • While everyone else panicked during the power outage, Grandma was cool as a cucumber.
  • He looked cool as a cucumber on stage, but he admitted he was nervous afterward.

Pattern: “as + adjective + as + noun” (cool as a cucumber). Often used after “be/seem/keep/stay”: “He stayed cool as a cucumber.” “Cool” may be intensified (“as cool as a cucumber”), but wording is fairly fixed.

  • calm
  • composed
  • unflappable
  • collected
  • level-headed
  • nervous
  • anxious
  • flustered
  • panicked
  • agitated