/ Dictionary / Index D diplomatist: Meaning and Definition of Find definitions for: di•plo•ma•tist Pronunciation: (di-plō'mu-tist), [key] — n. a Foreign Office employee officially engaged as a diplomat. a person who is astute and tactful in any negotiation or relationship. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: diplomatist (Thesaurus) diplomatic secretary diplomatize Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language