The day when God is expected to judge the world; the end times. / Judgement day; the day of the Final Judgment; any day of decisive judgement or final dissolution.

Concerned with or predicting future universal destruction. / Given to or marked by forebodings or predictions of impending calamity. / Capable of causing widespread or total destruction.

plural of doomsday

Alternative spelling of doomsday device

A hypothetical weapon (often a bomb) programmed to automatically be used in response to certain attacks, usually with very dire consequences (such as the annihilation of the world).

(cosmology, astronomy) An occurrence which causes the end of the universe or which destroys the planet earth; a global cataclysm.

plural of doomsday device

plural of Doomsday Device

Synonym of doomsday device

Uncommon form of Domesday Book.