SOUTH VIETNAM(noun)Did you mean?Synonyms RhymesAlso try..southvietnamDefinitions There is 1 meaning of the phrase South Vietnam. South Vietnam - as a noun A former country in southeastern asia that existed from 1954 (after the defeat of the french at dien bien phu) until 1975 when it was defeated and annexed by north vietnam Word Variations & RelationsAnagramsStarts SStarts SOStarts SOUStarts SOUTEnds MEnds AMEnds NAMEnds TNAMStarts S & ends MStarts SO & ends MStarts S & ends AMA-Z Proximitiessouterly11souterrain10souterrains11souters7south8 South Vietnam south-centralsouth-eastsouth-polarsouth-southeastsouth-southwest