/ Dictionary / Index A advisory opinion: Meaning and Definition of Find definitions for: advi'sory opin'ion Pronunciation: [key] — Law. Law. a formal opinion that is given on a point of law by a court, judge, or judges on request from a legislature or government official, contrasted with an opinion in a case at law where the point is being adjudicated. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. advisory ad vitam* Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language