disagreeing or harsh in sound; discordant.
out of harmony; incongruous; at variance.
Music. characterized by dissonance.

Nearby words

  1. dissolve,
  2. dissolvent,
  3. dissolving view,
  4. dissonance,
  5. dissonancy,
  6. dissonantly,
  7. disspirit,
  8. disspread,
  9. dissuade,
  10. dissuasion

Origin of dissonant

1400–50; late Middle English dissonaunte (< Anglo-French) < Latin dissonant- (stem of dissonāns, present participle of dissonāre to sound harsh), equivalent to disson- (derivative of dissonus discordant; see dis-1, sound1) + -ant- -ant

Related formsdis·so·nant·ly, adverbun·dis·so·nant, adjectiveun·dis·so·nant·ly, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for dissonant

British Dictionary definitions for dissonant



discordant; cacophonous
incongruous or discrepant
music characterized by dissonance
Derived Formsdissonantly, adverb

Word Origin for dissonant

C15: from Latin dissonāre to be discordant, from dis- 1 + sonāre to sound

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 dissonant



early 15c., from Middle French dissonant and directly from Latin dissonantem (nominative dissonans), present participle of dissonare "differ in sound," from dis- "apart" (see dis-) + sonare "to sound" (see sonata).

Online Etymology Dictionary, © 2010 Douglas Harper