/ Dictionary / Index A Advil: Meaning and Definition of Find definitions for: Ad•vil Pronunciation: (ad'vil), [key] — Pharm., Trademark. Pharm.,Trademark. a brand of ibuprofen. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: advil (Thesaurus) advice boat advisable Related Content Daily Word Quiz: foliage Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language