/ Dictionary / Index W world war: Meaning and Definition of Find definitions for: world' war' Pronunciation: [key] a war that involves most of the principal nations of the world. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. world-view World War I Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language