unvaccinated
adjective
un·vac·ci·nat·ed
ˌən-ˈvak-sə-ˌnā-təd 
: not having received a vaccine : not vaccinated
children unvaccinated for measles
Examples of unvaccinated in a Sentence
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Previously monitoring stopped after the age of 2 in many countries, an approach that all but assured that children who were missed in their first two years of life would remain unvaccinated.
—
O. Rose Broderick, STAT, 24 Apr. 2026
The unvaccinated child had traveled to a state with recent measles cases.
—The Denver Post, Denver Post, 23 Apr. 2026
Nearly 1,000 of these cases have been in unvaccinated children and adolescents in South Carolina.
—Professor David R. Hill, Hartford Courant, 17 Apr. 2026
Parents or caretakers of any unvaccinated child who contracts the virus are advised to make sure the child has lots of fluids.
—Angel Saunders, PEOPLE, 16 Apr. 2026
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O. Rose Broderick, STAT, 24 Apr. 2026
The unvaccinated child had traveled to a state with recent measles cases.
—The Denver Post, Denver Post, 23 Apr. 2026
Nearly 1,000 of these cases have been in unvaccinated children and adolescents in South Carolina.
—Professor David R. Hill, Hartford Courant, 17 Apr. 2026
Parents or caretakers of any unvaccinated child who contracts the virus are advised to make sure the child has lots of fluids.
—Angel Saunders, PEOPLE, 16 Apr. 2026
See All Example Sentences for unvaccinated
Cite this Entry
“Unvaccinated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unvaccinated. Accessed 2 May. 2026.
Copy CitationMedical Definition
unvaccinated
adjective
un·vac·ci·nat·ed
-ˈvak-sə-ˌnāt-əd
: not vaccinated
unvaccinated children
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