/ Dictionary / Index E enemy alien: Meaning and Definition of Find definitions for: en'emy al'ien Pronunciation: [key] an alien residing in a country at war with the one of which he or she is a citizen. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. enemy Eneolithic Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language