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See more synonyms for energize on Thesaurus.com
verb (used with object), en·er·gized, en·er·giz·ing.
  1. to give energy to; rouse into activity: to energize the spirit with brave words.
  2. to supply electrical current to or store electrical energy in.
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verb (used without object), en·er·gized, en·er·giz·ing.
  1. to be in operation; put forth energy.
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Also especially British, en·er·gise.

Origin of energize

First recorded in 1745–55; energ(y) + -ize
Related formsre·en·er·gize, verb (used with object), re·en·er·gized, re·en·er·giz·ing.su·per·en·er·gized, adjectiveun·en·er·gized, adjective
Can be confusedenergize enervate innervate invigorate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for energize

invigorate, empower, motivate, excite, reinforce, electrify, strengthen, trigger, animate, stimulate, prime, enable, enliven, fortify, inspirit, sustain, vitalize, arm, zap, quicken

Examples from the Web for energize

Contemporary Examples of energize

Historical Examples of energize

  • Our power to energize is from God and constantly sustained by God.

    The Theistic Conception of the World

    B. F. (Benjamin Franklin) Cocker

  • He needed the stimulation of sex completely to energize his faculties.

    The Burning Secret

    Stefan Zweig

  • Someone think to energize the Executive Block's battle fields?

    Lion Loose

    James H. Schmitz

  • A true master purpose will quicken and energize the whole being.

    The Hearth-Stone

    Samuel Osgood

  • Yet a vitalizing power, some inner dynamo, never failed to energize him.

    Caravans By Night

    Harry Hervey

British Dictionary definitions for energize



  1. to have or cause to have energy; invigorate
  2. (tr) to apply a source of electric current or electromotive force to (a circuit, field winding, etc)
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Derived Formsenergizer or 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

Word Origin and History for energize


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

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Online Etymology Dictionary, © 2010 Douglas Harper