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.
Of the 624 cases, a total of 64 people have been hospitalized, while two unvaccinated children with no underlying health conditions have died, including an 8-year-old girl. Thao Nguyen, USA Today, 24 Apr. 2025 Among the nationwide cases confirmed by the CDC, about 97% are in people who are unvaccinated or whose vaccination status is unknown. Mary Kekatos, ABC News, 22 Apr. 2025 Since January, 64 people have been hospitalized for measles and two unvaccinated children have died. Matt Leclercq, Fort Worth Star-Telegram, 22 Apr. 2025 Most of the cases have been in unvaccinated children. ArsTechnica, 21 Apr. 2025 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

Browse Nearby Words

Cite this Entry

“Unvaccinated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unvaccinated. Accessed 30 Apr. 2025.

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
Love words? Need even more definitions?

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