/ Dictionary / Index I investigative new drug: Meaning and Definition of Find definitions for: inves'tigative new' drug' Pronunciation: [key] — Pharm. Pharm. a regulatory classification assigned by the U.S. Food and Drug Administration to an unproven drug, allowing its use in approved studies with human patients. Abbr.: IND Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. investigation investitive Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language