/ Dictionary / Index G grand inquisitor: Meaning and Definition of Find definitions for: grand' inquis'itor Pronunciation: [key] (often caps.) the presiding officer of a court of inquisition. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. grandiloquent grandiose Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language