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[ef-er-ves-uh nt] /ˌɛf ərˈvɛs ənt/
effervescing; bubbling.
vivacious; merry; lively; sparkling.
Origin of effervescent
1675-85; < Latin effervēscent- (stem of effervēscēns), present participle of effervēscere to effervesce; see -ent
Related forms
effervescently, adverb
noneffervescent, adjective
noneffervescently, adverb
uneffervescent, adjective
uneffervescently, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for effervescent
Contemporary Examples
Historical Examples
  • It seemed that the effervescent fellow could not be wholly serious about anything.

  • I don't know what he didn't say to me in his effervescent state.

    The Nabob, Volume 1 (of 2) Alphonse Daudet
  • In youth, that effervescent stage of human existence, "joy is unconfined."

    Games For All Occasions Mary E. Blain
  • Hers was an effervescent spirit which could not be suppressed.

    Hester's Counterpart Jean K. Baird
  • Even her effervescent spirits had been under the spell of the waters.

    Hester's Counterpart Jean K. Baird
  • The thin, cool liquid, slightly milky and effervescent, bubbled to the brim.

    A Son Of The Sun Jack London
British Dictionary definitions for effervescent


(of a liquid) giving off bubbles of gas; bubbling
high-spirited; vivacious
Derived Forms
effervescence, noun
effervescently, 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
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Word Origin and History for effervescent

1680s, from Latin effervescentem (nominative effervescens), present participle of effervescere (see effervescence). Meaning "exuberant" is from 1833.

Online Etymology Dictionary, © 2010 Douglas Harper
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