Catastrophe
Catastrophe noun - A sudden violent event that brings about great loss or destruction.
Usage example: more than one natural catastrophe has threatened to destroy their farm over the years
Doomsday and catastrophe are semantically related. In some cases you can use "Doomsday" instead a noun "Catastrophe".
Nearby Word: catastrophic
Doomsday
Doomsday noun - (New Testament) day at the end of time following Armageddon when God will decree the fates of all individual humans according to the good and evil of their earthly lives.
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Synonyms for Doomsday
Catastrophe and doomsday are semantically related. Sometimes you can use "Catastrophe" instead a noun "Doomsday".
Both words in one sentence
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Doomsday Clock is a subtrope specifically dealing with global catastrophe of some sort.
Source: When the Clock Strikes Twelve - Unless your specific stated goal is to destroy the world (in which case, go nuts), then limit your doomsday device to mere "regional catastrophe" level.
Source: Stock Evil Overlord Tactics -
The Grey Goo scenario is a common fear in the near-future setting due to a famous scientist's doomsday predictions of a nanotech catastrophe, even though it's generally accepted that he was just fearmongering and was wrong.
Source: Grey Goo
Cite this Source
Doomsday and Catastrophe. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/catastrophe/doomsday
Catastrophe & Doomsday. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/catastrophe/doomsday>.
Doomsday or Catastrophe. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/catastrophe/doomsday.
Google Ngram Viewer shows how "catastrophe" and "doomsday" have occurred on timeline