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omnicide

American  
[om-nuh-sahyd] / ˈɒm nəˌsaɪd /

noun

  1. the eradication of all life as a result of human activity.

    Nuclear weapons and now climate change confront us with the possibility of omnicide.

Etymology

Origin of omnicide

First recorded in 1955–60; omni- ( def. ) + -cide ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Ellsberg was deeply determined to do all he could to help prevent omnicide.

From Salon • Jun. 16, 2023

Swole, bug-out bag, go-cup and omnicide are just a few of the 640 additions to Merriam-Webster’s dictionary added Monday.

From Seattle Times • Apr. 22, 2019

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.