/ Dictionary / Index D defector: Meaning and Definition of Find definitions for: de•fec•tor Pronunciation: (di-fek'tur), [key] — n. a person who defects from a cause, country, alliance, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: defector (Thesaurus) defective year defederalize Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language