Breadcrumb Home > Dictionary > Index S secret agent: Meaning and Definition of Find definitions for: se'cret a'gent Pronunciation: [key] an agent of a secret service. (loosely) a person employed to collect the military secrets of one country and relay them to another, esp. a person living in a foreign country while so working for his or her own nation; spy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. secret secretagog TrendingHere are the facts and trivia that people are buzzing about. Did Birds Evolve from Dinosaurs? The Twelve Dancing Princesses Current Events This Week: January 2023 African Americans by the Numbers Andersen's Fairy Tales: Contents The Celtic Twilight: A Teller of Tales ✖ Related Content Daily Word Quiz: limpid Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language