/ Dictionary / Index V Vietnam War: Meaning and Definition of Find definitions for: Viet'nam War' Pronunciation: [key] a conflict, starting in 1954 and ending in 1975, between South Vietnam (later aided by the U.S., South Korea, Australia, the Philippines, Thailand, and New Zealand) and the Vietcong and North Vietnam. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Vietnamize Viëtor Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language