/ Dictionary / Index D de-energize: Meaning and Definition of Find definitions for: de-en•er•gize Pronunciation: (dē-en'ur-jīz"), [key] — -gized, -giz•ing. to deprive of electrical energy or exhaust the electrical energy from: Turning off the ignition de-energizes the spark plugs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: de-energize (Thesaurus) deemster deep Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language