Armageddon

 
Pronunciation: /ˌɑːməˈgɛd(ə)n/

noun

  • (in the New Testament) the last battle between good and evil before the Day of Judgement.
  • the place where the Armageddon will be fought.
  • a dramatic and catastrophic conflict, especially one seen as likely to destroy the world or the human race: nuclear Armageddon

Origin:

Greek, from Hebrew har mĕgiddōn 'hill of Megiddo' (Rev. 16:16)