: being or containing a virus that has been inactivated (as by chemicals) so that it is no longer infectious
killed vaccines

Examples of killed in a Sentence

Recent Examples on the Web
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Killed January 22, 2015 by an illegal immigrant who shot him in the face. New York Times, 1 Sep. 2016

Word History

First Known Use

1902, in the meaning defined above

Time Traveler
The first known use of killed was in 1902

Dictionary Entries Near killed

Cite this Entry

“Killed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/killed. Accessed 24 Nov. 2024.

Medical Definition

killed

adjective
: being or containing a virus that has been inactivated (as by chemicals) so that it is no longer infectious
killed vaccines
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