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See more synonyms for clack on Thesaurus.com
verb (used without object)
  1. to make a quick, sharp sound, or a succession of such sounds, as by striking or cracking: The loom clacked busily under her expert hands.
  2. to talk rapidly and continually or with sharpness and abruptness; chatter.
  3. to cluck or cackle.
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verb (used with object)
  1. to utter by clacking.
  2. to cause to clack: He clacked the cup against the saucer.
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  1. a clacking sound.
  2. something that clacks, as a rattle.
  3. rapid, continual talk; chatter.
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Origin of clack

1200–50; Middle English clacken; imitative
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

prate, cackle, babble, cluck, rattle, gossip, yak, jaw, prattle, blab, chatter

Examples from the Web for clack

Contemporary Examples

Historical Examples

  • The bellow of the town batteries, with the clackclackclack!

    The Dop Doctor

    Clotilde Inez Mary Graves

  • He hurried off, and in a moment the clack of bagatelle began again.

    The Island Pharisees

    John Galsworthy

  • The div-i-dend on Steelwhirrwhirrclack, clack, clackone per cent.

  • What a buzz and clack and chatter there was in the room to be sure!

    The Christmas Books

    William Makepeace Thackeray

  • The quick clack, clack, clatter when springing up in fear of capture.

    Woodland Tales

    Ernest Seton-Thompson

British Dictionary definitions for clack


  1. to make or cause to make a sound like that of two pieces of wood hitting each other
  2. (intr) to jabber
  3. a less common word for cluck
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  1. a short sharp sound
  2. a person or thing that produces this sound
  3. chatter
  4. Also called: clack valve a simple nonreturn valve using either a hinged flap or a ball
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Word Origin

C13: probably from Old Norse klaka to twitter, of imitative origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for clack


mid-13c., not in Old English, from Old Norse klaka "to chatter," of echoic origin; cf. Dutch klakken "to clack, crack," Old High German kleken, French claquer "to clap, crack (see claque). Related: Clacked; clacking.

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mid-15c., from clack (v.).

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Online Etymology Dictionary, © 2010 Douglas Harper