/ Dictionary / Index I imperator: Meaning and Definition of Find definitions for: im•pe•ra•tor Pronunciation: (im"pu-rä'tur, -rä'tôr, -rā'tur), [key] — n. an absolute or supreme ruler. (in Imperial Rome) emperor. (in Republican Rome) a temporary title accorded a victorious general. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. imperative imperceptible Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language