/ Dictionary / Index A antienergistic: Meaning and Definition of Find definitions for: an•ti•en•er•gis•tic Pronunciation: (an"tē-en"ur-jis'tik, an"tī-), [key] — adj. opposing or resisting applied energy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. antiemetic antienzyme Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language