[ klak ]
See synonyms for: clackclacking on

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.

  1. to cluck or cackle.

verb (used with object)
  1. to utter by clacking.

  2. to cause to clack: He clacked the cup against the saucer.

  1. a clacking sound.

  2. something that clacks, as a rattle.

  1. rapid, continual talk; chatter.

Origin of clack

1200–50; Middle English clacken; imitative

Words Nearby clack Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use clack in a sentence

British Dictionary definitions for clack


/ (klæk) /

  1. to make or cause to make a sound like that of two pieces of wood hitting each other

  2. (intr) to jabber

  1. a less common word for cluck

  1. a short sharp sound

  2. a person or thing that produces this sound

  1. chatter

  2. Also called: clack valve a simple nonreturn valve using either a hinged flap or a ball

Origin of clack

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