not easily excited; calm.

Origin of cool-headed

First recorded in 1770–80
Related formscool-head·ed·ly, adverbcool·head·ed·ness, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for cool-headed

Contemporary Examples of cool-headed

  • Eighteen months ago, I was in a similar situation and had the opportunity to act like a cool-headed adult—but failed miserably.

    The Daily Beast logo
    Warren Buffett’s Cancer Decoded

    Kent Sepkowitz

    April 19, 2012

Historical Examples of cool-headed

  • "I wish I could be as cool-headed as Thomas," she said, with a tinge of petulance.

    Good Indian

    B. M. Bower

  • Isaac was small, but he was bright, cool-headed, and brave-hearted.

  • They run to extremes in a way which cool-headed Britons do not understand.

    Ireland as It Is

    Robert John Buckley (AKA R.J.B.)

  • I asked no questions, for I knew my second officer's cool-headed disposition.

    Vampires of Space

    Sewell Peaslee Wright

  • He discouraged all attacks by his swift and cool-headed defense.

    The Grizzly

    Enos A. Mills