un·​im·​mu·​nized ˌən-ˈi-myə-ˌnīzd How to pronounce unimmunized (audio)
variants or chiefly British unimmunised
: not made immune (as by vaccination) : not immunized
Because your child has been immunized, she faces no danger of playing with an unimmunized child.Paul G. Donohue

Examples of unimmunized in a Sentence

Recent Examples on the Web Some unimmunized people have experienced early negativity, too, and many people who have gotten their shots still test positive before falling ill. SARS-CoV-2 traits, too, could be flipping the sickness script, which brings us to the virus hypothesis. Katherine J. Wu, The Atlantic, 10 June 2022 Almost one out of three health-care workers were not fully vaccinated against the coronavirus as of mid-September, according to a study published this week, suggesting millions of them could remain unimmunized by a January deadline set by the Biden administration. Washington Post, 19 Nov. 2021 Like unvaccinated adults ages 50 and up, the CDC said last week that unimmunized pregnant women were more likely to be hospitalized than their inoculated pregnant peers. Abigail Adams, PEOPLE.com, 21 Jan. 2022 Wendy Hasson, a pediatric intensive care physician in Oregon, knows the tragedy that can befall an unimmunized child. Donna St. George, Anchorage Daily News, 27 Aug. 2022 The more apt comparison, rather, weighs the life unimmunized kids could be leading if they were vaccinated. Katherine J. Wu, The Atlantic, 7 June 2022 Humble, while stressing that data is still emerging, says omicron is proving highly contagious, much more than delta, particularly for those unimmunized and previously infected with COVID-19. Gabe Lacques, USA TODAY, 15 Dec. 2021 The strategy can, potentially, free up doses for others who remain unimmunized, among whom first injections would save more lives. Katherine J. Wu, The Atlantic, 16 Sep. 2021 Again, the variant poses the biggest threat for the unimmunized. Justin Ray, Los Angeles Times, 28 June 2021

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'unimmunized.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1894, in the meaning defined above

Time Traveler
The first known use of unimmunized was in 1894

Dictionary Entries Near unimmunized

Cite this Entry

“Unimmunized.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unimmunized. Accessed 22 Jul. 2024.

Medical Definition


variants or chiefly British unimmunised
: not immunized
unimmunized children
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