killed

1 of 2

adjective

ˈkild How to pronounce killed (audio)
Synonyms of killednext
: being or containing a virus that has been inactivated (as by chemicals) so that it is no longer infectious
killed vaccines

killed

2 of 2

past tense and past participle of kill entry 1

Word History

First Known Use

Adjective

1902, in the meaning defined above

Time Traveler
The first known use of killed was in 1902

Rhymes for killed

See All Rhymes for killed

Browse Nearby Words

Kill Devil
killed
Killeen
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Cite this Entry

“Killed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/killed. Accessed 1 Sep. 2026.

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Medical Definition

killed

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

More from Merriam-Webster on killed

Thesaurus: All synonyms and antonyms for killed

Last Updated: - Definition revised
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