• synonyms


[uhn-spee-kuh-buh l]
See more synonyms for unspeakable on Thesaurus.com
  1. not speakable; that may not be spoken.
  2. exceeding the power of speech; unutterable; inexpressible; indescribable.
  3. inexpressibly bad or objectionable.
Show More

Origin of unspeakable

1350–1400; Middle English unspekeabill. See un-1, speakable
Related formsun·speak·a·ble·ness, nounun·speak·a·bly, adverb


See more synonyms for unspeakable on Thesaurus.com
2. ineffable, unimaginable.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for unspeakable

Contemporary Examples

Historical Examples

British Dictionary definitions for unspeakable


  1. incapable of expression in wordsunspeakable ecstasy
  2. indescribably bad or evil
  3. not to be utteredunspeakable thoughts
Show More
Derived Formsunspeakableness, noununspeakably, 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

Word Origin and History for unspeakable


c.1400, "inexpressible," from un- (1) "not" + speakable (see speak). Meaning "indescribably bad or wicked" is recorded from 1831. Related: Unspeakably.

Show More
Online Etymology Dictionary, © 2010 Douglas Harper