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[en-er-jahyz] /ˈɛn ərˌdʒaɪz/
verb (used with object), energized, energizing.
to give energy to; rouse into activity:
to energize the spirit with brave words.
to supply electrical current to or store electrical energy in.
verb (used without object), energized, energizing.
to be in operation; put forth energy.
Also, especially British, energise.
Origin of energize
First recorded in 1745-55; energ(y) + -ize
Related forms
reenergize, verb (used with object), reenergized, reenergizing.
superenergized, adjective
unenergized, adjective
Can be confused Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for energise
Historical Examples
  • No instinct is more inevitable, more sure to energise, than this.

  • Then the footman was told to energise the gramophone, which in its specially designed case stood in a corner.

    The Pretty Lady

    Arnold E. Bennett
  • The Romans relatively failed to develop the mythopœic faculty because their conditions caused them to energise more in other ways.

    The Evolution of States J. M. Robertson
  • Some firm conviction, she was sure, must energise him yet she respected him the more for concealing it.

  • If, then, such current were employed to energise a magnet, that magnet would give 100 tugs per second.

  • A woman who wins golf or hockey-matches may be said therefore to energise her muscles with the potential manhood of possible sons.

    Feminism and Sex-Extinction

    Arabella Kenealy
  • They represent contrary principles; they perform different functions; they engender and energise dissimilar processes.

    Feminism and Sex-Extinction

    Arabella Kenealy
  • The female potential must be adequate to energise the male powers of differentiation.

    Feminism and Sex-Extinction

    Arabella Kenealy
British Dictionary definitions for energise


to have or cause to have energy; invigorate
(transitive) to apply a source of electric current or electromotive force to (a circuit, field winding, etc)
Derived Forms
energizer, energiser, noun
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 energise



1751; see energy + -ize. Related: Energized; energizing.

Online Etymology Dictionary, © 2010 Douglas Harper
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