unvaccinated

adjective

un·​vac·​ci·​nat·​ed ˌən-ˈvak-sə-ˌnā-təd How to pronounce unvaccinated (audio)
: not having received a vaccine : not vaccinated
children unvaccinated for measles

Examples of unvaccinated in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Another is the contagion risk posed by having an unvaccinated child in a waiting room alongside infants and kids with immunodeficiencies. — Eric Boodman, STAT, 3 Sep. 2026 The last two flu seasons were especially harsh, with unusually high numbers of child deaths — the vast majority of them in unvaccinated kids. — Lauran Neergaard, Los Angeles Times, 2 Sep. 2026 Michael believed that this had to do with the fact that many doctors refuse to see unvaccinated children. — Ruby Cramer, New Yorker, 31 Aug. 2026 But in many areas, that safety net has worn thin as shifting states laws grant more personal belief exemptions that allow unvaccinated children to attend school. — Brenda Goodman, CNN Money, 28 Aug. 2026 See All Example Sentences for unvaccinated

Word History

First Known Use

1871, in the meaning defined above

Time Traveler
The first known use of unvaccinated was in 1871

Rhymes for unvaccinated

See All Rhymes for unvaccinated

Browse Nearby Words

unuttered
unvaccinated
unvaluable
See all Nearby Words

Cite this Entry

“Unvaccinated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unvaccinated. Accessed 5 Sep. 2026.

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Medical Definition

unvaccinated

adjective
un·​vac·​ci·​nat·​ed -ˈvak-sə-ˌnāt-əd How to pronounce unvaccinated (audio)
: not vaccinated
unvaccinated children
Last Updated: - Updated example sentences
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