an abrupt, dull sound: the thunk of a shutting window.

verb (used without object)

to make such a sound: The window thunked shut.

Origin of thunk

1945–50; blend of thud and clunk



verb Nonstandard.

a simple past tense and past participle of think1. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for thunk

Contemporary Examples of thunk

  • “The thunk of each lever was as satisfying as closing the door of a vintage Mercedes,” wrote one.

  • “Who would have thunk it,” said Madonna somewhat presciently when discussing her marriage to Guy Ritchie a couple of years ago.

    The Daily Beast logo
    Why Madge Got Bored

    Andrew Morton

    October 15, 2008

Historical Examples of thunk

  • Dasinger was straightening up when he heard the thunk of the wrench.

    The Star Hyacinths

    James H. Schmitz

  • Let all nature stand hushed and silent while I thunk a think.

  • The Hindu boy swung with the flat of his bolo and there was a thunk as he connected.

    The Golden Skull

    John Blaine

  • "I've bin thinkin' of all them things, and I've thunk 'em out," said Shorty cheerfully.

  • It came down with a satisfying "thunk" on Johnny Simms' head.

    Operation: Outer Space

    William Fitzgerald Jenkins

British Dictionary definitions for thunk


noun, verb

informal another word for thud
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 thunk

sound of impact, attested from 1952, echoic.

Online Etymology Dictionary, © 2010 Douglas Harper