/ Thesaurus / S Synonyms of seven years' war Find synonyms for: Noun1. Seven Years' Warusage: a war of England and Prussia against France and Austria (1756-1763); Britain and Prussia got the better of itWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language