/ Dictionary / Index E expensive: Meaning and Definition of Find definitions for: ex•pen•sive Pronunciation: (ik-spen'siv), [key] — adj. entailing great expense; very high-priced; costly: an expensive party. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: expensive (Thesaurus) expense account experience Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language