verb (used with object), en·er·gized, en·er·giz·ing.

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), en·er·gized, en·er·giz·ing.

to be in operation; put forth energy.

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. 2019

Examples from the Web for energise

Historical Examples of energise

  • 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.

  • 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.

British Dictionary definitions for energise




to have or cause to have energy; invigorate
(tr) to apply a source of electric current or electromotive force to (a circuit, field winding, etc)
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 energise



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

Online Etymology Dictionary, © 2010 Douglas Harper