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from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To make or become cheerful.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To become happier.
  • adj. lively; cheerful; in good spirits

from the GNU version of the Collaborative International Dictionary of English

  • intransitive v. To shriek; to gnash; to utter harsh or shrill cries.
  • intransitive v. To chirp like a bird.
  • transitive v. To cheer; to enliven.
  • adj. Lively; cheerful; in good spirits.

from The Century Dictionary and Cyclopedia

  • To creak; shriek; groan.
  • To make a noise, as a bird; chirp.
  • Also spelled cherk.
  • To be or become cheerful.
  • Lively; cheerful; pert; in good spirits.
  • n. A perverted form of chert.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. make a shrill creaking, squeaking, or noise, as of a door, mouse, or bird


Middle English chirken, to chirp, chirrup, from Old English cearcian, to chatter, alteration of cracian, to resound; see crack.
(American Heritage® Dictionary of the English Language, Fourth Edition)


  • Chirk, chirk, chirk, it went, the sound of a spoon being rapidly whisked round a basin.

    The Invisible Man

  • Ayla lay awake under the starlit sky, staring up at the patterns of constellations and listening to the night sounds: the wind sifting through the trees, the soft liquid running of the river, the chirk of crickets, the harsh harumph of a bullfrog.

    The Plains of Passage

  • Mr. Haynes told me that if I would "chirk up" he would give me his elk teeth.

    Letters on an Elk Hunt

  • Just before dinner time I donned a becoming gown to chirk up my courage, groped my way down the long, dim stairs, and telephoned to Von Gerhard.

    Dawn O'Hara, the Girl Who Laughed

  • Now, you chirk up, Boston, and smile and try to be a good sport, or I'll work you over and make a man out of you.

    The Long Chance

  • Five dollars would make me chirk up; ten would start a slight smile; twenty would put a beam in mine eye; fifty would cause me to utter shrill cries of unadulterated joys and a hundred would inspire me to actions like unto those of a whirling dervish.

    The Valley of the Giants

  • Not that anyone in particular expected "them poor Hayneses" to keep bright or "chirk up."

    The Best Short Stories of 1917 and the Yearbook of the American Short Story

  • And such was the power of mercury and mind combined over matter that he would immediately chirk up and feel warm.

    Europe Revised

  • It's only when you come she seems to chirk up a bit.

    Anne of Avonlea

  • We were in the very centre of a prairie-dog town, but before I could formulate in my mind the probabilities of holes and broken legs, the chirk, chirk, chirking had fallen astern.

    Arizona Nights


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  • The imps of the silly will work
    And times meant for tears they will chirk.
    At loved ones' last parting
    You imagine them farting
    And struggle to stifle your smirk.

    June 16, 2015

  • chirk What a cheerful word!

    December 27, 2006