/ Dictionary / Index N Ngo Dinh Diem: Meaning and Definition of Find definitions for: Ngo Dinh Diem Pronunciation: (ngō' dēn' dyem', dzyem', nō' dēn'), [key] 1901–1963, South Vietnamese statesman: president of the Republic of South Vietnam 1956–63. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. NGO Ngoni Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language