/ Dictionary / Index I inquisitorial: Meaning and Definition of Find definitions for: in•quis•i•to•ri•al Pronunciation: (in-kwiz"i-tôr'ē-ul, -tōr'-), [key] — adj. of or pertaining to an inquisitor or inquisition. exercising the office of an inquisitor. pertaining to a trial with one person or group inquiring into the facts and acting as both prosecutor and judge. pertaining to secret criminal prosecutions. resembling an inquisitor in harshness or intrusiveness. inquisitive; prying. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: inquisitorial (Thesaurus) inquisitor inquisitress Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language