Informal. a word that is hard to pronounce.
a very hard, usually round, candy.
Also called jaw crusher. Mining. a machine used to break up ore, consisting of a fixed plate and a hinged jaw moved by a toggle joint.

Origin of jawbreaker

First recorded in 1830–40; jaw1 + breaker1
Related formsjaw·break·ing, adjectivejaw·break·ing·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for jaw-breaking

Historical Examples of jaw-breaking

  • But Slade held him up with an iron grip on the jaw-breaking Spanish ring-bit.

    Bloom of Cactus

    Robert Ames Bennet

  • "Walking Along" is the English translation of his jaw-breaking surname.

    Among the Sioux

    R. J. Creswell

  • Such an educated feller his thoughts just came in herds, He (p. 155) astonished all them cowboys with them jaw-breaking words.

  • I seem to hear pronounced by some of his kin at such a time his original wild name in some jaw-breaking or else melodious tongue.

    Excursions and Poems

    Henry David Thoreau

  • A question often put when a jaw-breaking word has been intrusively uttered by savants.

    The Sailor's Word-Book

    William Henry Smyth

British Dictionary definitions for jaw-breaking



Also called: jawcrusher a device having hinged jaws for crushing rocks and ores
informal a word that is hard to pronounce
Derived Formsjawbreaking, adjectivejawbreakingly, adverb
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