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or energetical

[en-er-jet-ik] /ˌɛn ərˈdʒɛt ɪk/
possessing or exhibiting energy, especially in abundance; vigorous:
an energetic leader.
powerful in action or effect; effective:
to take energetic measures against crime.
Origin of energetic
1645-55; < Greek energētikós, equivalent to energē- (en- en-2 + ergē-, variant stem of ergeîn to be active; see energy) + -tikos -tic
Related forms
energetically, adverb
hyperenergetic, adjective
nonenergetic, adjective
nonenergetically, adverb
quasi-energetic, adjective
quasi-energetically, adverb
superenergetic, adjective
superenergetically, adverb
ultraenergetic, adjective
unenergetic, adjective
unenergetically, adverb
1. See active. 2. effectual, strong, potent. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for energetic
Contemporary Examples
Historical Examples
  • And yet our Esther is a heroine—capable, energetic, brave, and patriotic.

  • Just beneath where she sat two men were having a most energetic duel of words.

    Thoroughbreds W. A. Fraser
  • Wagner at fifteen was a poet, and the energetic, suggestive music of Beethoven was mentally transformed into living personalities.

    Wagner as I Knew Him Ferdinand Christian Wilhelm Praeger
  • For all his iron self-control, it nearly drove the energetic man to violence.

    Dust Mr. and Mrs. Haldeman-Julius
  • He was fearless, energetic, self-reliant; and it was manifest that he was endowed with mental powers of much native strength.

British Dictionary definitions for energetic


having or showing much energy or force; vigorous
Derived Forms
energetically, 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 energetic

1650s, "powerful," from Greek energetikos "active," from energein "to work, act upon" (see energy). Of persons, "active," in English from 1796 (energetical is from c.1600).

Online Etymology Dictionary, © 2010 Douglas Harper
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