- the last day of the world when Christians believe that everyone will be judged by GodTopics Religion and festivalsc2Oxford Collocations DictionaryDoomsday is used before these nouns:
- scenario
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Idioms
See doomsday in the Oxford Advanced American Dictionarytill doomsday
- (informal) a very long time; forever
- This job's going to take me till doomsday.
Check pronunciation:
doomsday