cool as a cucumber

Calm and composed, self-possessed, as in Despite the mishap Margaret was cool as a cucumber. This idiom may be based on the fact that in hot weather the inside of cucumbers remains cooler than the air. [c. 1600] For a synonym, see cool, calm, and collected.


Nearby words

  1. cooktop,
  2. cooktown orchid,
  3. cookware,
  4. cooky,
  5. cool,
  6. cool bag,
  7. cool down,
  8. cool drink,
  9. cool hunter,
  10. cool it

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.