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[en-thoo-zee-as-tik] /ɛnˌθu ziˈæs tɪk/
full of or characterized by enthusiasm; ardent:
He seems very enthusiastic about his role in the play.
Origin of enthusiastic
1595-1605; < Greek enthousiastikós. See enthusiast, -ic
Related forms
enthusiastically, adverb
antienthusiastic, adjective
antienthusiastically, adverb
hyperenthusiastic, adjective
hyperenthusiastically, adverb
nonenthusiastic, adjective
nonenthusiastically, adverb
overenthusiastic, adjective
overenthusiastically, adverb
pseudoenthusiastic, adjective
pseudoenthusiastically, adverb
quasi-enthusiastic, adjective
quasi-enthusiastically, adverb
unenthusiastic, adjective
unenthusiastically, adverb
eager, fervent, zealous, passionate, vehement, fervid, impassioned. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Examples from the Web for enthusiastic
Contemporary Examples
Historical Examples
  • Eilert Lovborg was one of her most enthusiastic protectors—in the days of his glory.

    Hedda Gabler Henrik Ibsen
  • The public realized this, and gave the most enthusiastic reception to Gama.

  • Refolding the sheets, he slipped them into an envelope with enthusiastic finality.

    Mountain Clement Wood
  • It was an enthusiastic, banner-waving,147 shouting, hallooing crowd.

    The heart of happy hollow Paul Laurence Dunbar
  • The colonists are expecting a little show for their enthusiastic welcome.

    The Space Pioneers Carey Rockwell
British Dictionary definitions for enthusiastic


filled with or motivated by enthusiasm; fanatical; keen
Derived Forms
enthusiastically, 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 enthusiastic

c.1600, "pertaining to possession by a deity," from Greek enthousiastikos "inspired," from enthousiazein (see enthusiasm). Meaning "pertaining to irrational delusion in religion" is from 1690s. The main modern sense, in reference to feelings or persons, "intensely eager, rapturous," is from late 18c. Related: Enthusiastically.

Online Etymology Dictionary, © 2010 Douglas Harper
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