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energetic

[en-er-jet-ik] /ˌɛn ərˈdʒɛt ɪk/
adjective
1.
possessing or exhibiting energy, especially in abundance; vigorous:
an energetic leader.
2.
powerful in action or effect; effective:
to take energetic measures against crime.
Also, energetical.
Origin
1645-1655
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
Synonyms
1. See active. 2. effectual, strong, potent.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for un energetically

energetic

/ˌɛnəˈdʒɛtɪk/
adjective
1.
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 un energetically

energetic

adj.

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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