self-ex·​tinc·​tion ˌself-ik-ˈstiŋ(k)-shən How to pronounce self-extinction (audio)
plural self-extinctions
: the act of causing one's own extinction or the state of having caused one's own extinction
a civilization headed towards self-extinction
: suicide
… an escaped schizophrenic also wends his way there with self-extinction in mind …Chuck Twardy

Word History

First Known Use

1826, in the meaning defined at sense 1

Time Traveler
The first known use of self-extinction was in 1826

Dictionary Entries Near self-extinction

Cite this Entry

“Self-extinction.” Dictionary, Merriam-Webster, Accessed 24 May. 2024.

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