mega·​death ˈme-gə-ˌdeth How to pronounce megadeath (audio)
: one million deaths
usually used as a unit in reference to nuclear warfare

Examples of megadeath in a Sentence

Recent Examples on the Web Megascale is nearly the existential threat that megadeath is. Adrienne Lafrance, The Atlantic, 15 Dec. 2020

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'megadeath.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1953, in the meaning defined above

Time Traveler
The first known use of megadeath was in 1953

Dictionary Entries Near megadeath

Cite this Entry

“Megadeath.” Dictionary, Merriam-Webster, Accessed 21 Jul. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!