Breadcrumb Home > Dictionary > Index T traitor: Meaning and Definition of Find definitions for: trai•tor Pronunciation: (trā'tur), [key] — n. a person who betrays another, a cause, or any trust. a person who commits treason by betraying his or her country. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: traitor (Thesaurus) trait traitorous TrendingHere are the facts and trivia that people are buzzing about. Ramadan and Eid al-Fitr 42 Best War Movie Quotes Current Events This Week: March 2023 Recycling Facts William Shakespeare Worst U.S. Forest Fires ✖ Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language