/ Dictionary / Index I Inderal: Meaning and Definition of Find definitions for: In•der•al Pronunciation: (in'du-rôl", -rol"), [key] — Pharm., Trademark. Pharm.,Trademark. a brand of propranolol. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: inderal (Thesaurus) in-depth indescribable 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