From Longman Dictionary of Contemporary EnglishArmageddonAr‧ma‧ged‧don /ˌɑːməˈɡedn $ ˌɑːr-/ noun [singular, uncountable] DESTROYa terrible battle that will destroy the world a nuclear Armageddon
Examples from the Corpus
Armageddon• Could the future see a species capable of engaging in the defeat of the law of entropy in a final Armageddon?• Usually these reports concentrate on prophecies of a forthcoming Armageddon but many also describe a dire contemporary situation.• We joke about it, but most of us are slaves to every medical Armageddon story that comes along.• Montana officials have responded to Mrs Prophet's ideas of Armageddon like battle-hardened bureaucrats.• Most people regarded adolescence as some kind of Armageddon, a battle one was sure to lose.Origin Armageddon (1800-1900) Greek place of a great battle at the end of the world, described in the Bible 