Meaning & use
omnicide
The total destruction of all life on Earth, especially through human actions such as nuclear or ecological catastrophe.
See it in a sentence
Some philosophers argue that unchecked climate change could eventually lead to omnicide.
The treaty was designed to prevent the omnicide that a full-scale nuclear exchange would cause.
A note on using this word
Omnicide is broader than genocide, referring to the annihilation of all life rather than a particular group.
Words with a similar meaning
extinctionannihilation
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