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unvaccinated

British  
/ ʌnˈvæksɪˌneɪtɪd /

adjective

  1. (of a person or animal) not having been inoculated with a vaccine

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

San Diego County said an unvaccinated traveler who lives out of state potentially exposed people while visiting the emergency room of a local hospital in mid-March.

From Los Angeles Times • Apr. 16, 2026

Ninety-two percent of cases this year are in unvaccinated people.

From Salon • Apr. 8, 2026

"Normally, in an unvaccinated mouse, it takes two weeks."

From Science Daily • Feb. 23, 2026

What we’re going to have is a real-world experience of when unvaccinated people get measles, what is the new incidence of hospitalization?

From Los Angeles Times • Feb. 18, 2026

But a study in the early 1960s of seven thousand unvaccinated smallpox cases in southern India found that the disease killed 43 percent of its victims.

From "1491" by Charles C. Mann

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