/ Dictionary / Index D de: Meaning and Definition of Find definitions for: de Pronunciation: (du Fr. du Sp. de Port. di), [key] — prep. from; of (used in French, Spanish, and Portuguese personal names, originally to indicate place of origin): Comte de Rochambeau; Don Ricardo de Aragón. de- Pronunciation: [key] a prefix occurring in loanwords from Latin (decide); also used to indicate privation, removal, and separation (dehumidify), negation (demerit; derange), descent (degrade; deduce), reversal (detract), intensity (decompound). Cf. di-,. DE Pronunciation: [key] Delaware (approved esp. for use with zip code). destroyer escort. de' Pronunciation: (duIt.de), [key] — prep. dei (used in Italian names as an elided form of dei): de' Medici. D.E. Pronunciation: [key] Doctor of Engineering. driver education. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: de (Thesaurus) DDT DEA Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language