/ Dictionary / Index S Seven Years' War: Meaning and Definition of Find definitions for: Sev'en Years'" War' Pronunciation: [key] the war (1756–63) in which England and Prussia defeated France, Austria, Russia, Sweden, and Saxony. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. seven-year itch sever Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language