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[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.
Sometimes, energetical.
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
2. effectual, strong, potent.
Synonym Study
1. See active. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for energetically
Contemporary Examples
Historical Examples
  • It is a manifestation of the Eternal Grace, and never has it overpowered me so energetically as now.

    The Dream Emile Zola
  • Such a false and cruel generalization must be energetically opposed.

    The Sexual Question August Forel
  • They energetically denied it; they burst out in protestations.

    His Masterpiece Emile Zola
  • "Now, I'm ready for the Plant, Roger," he said energetically.

    The Forbidden Trail Honor Willsie
  • "That would be typical of the Sans," agreed Leila energetically.

  • "And I'll wager I know who did it," exclaimed Mr. Jackson energetically.

  • "Which tells me you've got your location all down pat," continued Frank, energetically.

    Boy Scouts on Hudson Bay G. Harvey Ralphson
  • They were confident and resolute men, energetically and solidly constituted.

British Dictionary definitions for energetically


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 energetically



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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