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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.

Approximately 93% of these measles patients are unvaccinated or have unknown vaccine status.

From Salon • Jun. 30, 2026

Of those, 94% were unvaccinated, and more than 80% were under the age of 19.

From Los Angeles Times • Jun. 14, 2026

Highly contagious, measles spreads quickly through coughs and sneezes and is particularly dangerous for unvaccinated young children under the age of 5.

From BBC • May 27, 2026

More than 90% of patients have been unvaccinated or have unknown vaccine status.

From Salon • May 20, 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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