anti-vaccine

adjective

anti-vac·​cine ˌan-tē-vak-ˈsēn How to pronounce anti-vaccine (audio) ˌan-ˌtī- How to pronounce anti-vaccine (audio)
-ˈvak-ˌsēn
variants or less commonly antivaccine
: opposed to the use of vaccines
A handful of parents and anti-vaccine activists told lawmakers … that they believe vaccines are responsible for countless cases of autism, learning disabilities and death.Jim Hughes
… the rising global threat of antivaccine sentiments and vaccine misinformation contributed to the WHO [=World Health Organization] classifying vaccine hesitancy as a top ten global health threat in 2019 …David M. Higgins and Sean T. O'Leary

Examples of anti-vaccine 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.
Some anti-vaccine groups have used Thorsen to paint a picture of corruption at the highest echelons of medical exploration. Sasha Pezenik, ABC News, 8 May 2026 The dashboard’s data on the 2023-24 and 2024-25 school years saw incredibly poor vaccination rates for Zion D6, most notably with the measles vaccine, which has been the center of anti-vaccine rhetoric on the national level. Joseph States, Chicago Tribune, 8 May 2026 Kennedy, a long-time anti-vaccine activist, has been particularly critical of mRNA technology, canceling hundreds of millions in research funding and making claims not backed by scientific evidence. Sneha S K, USA Today, 7 May 2026 Those changes include filling a key vaccine advisory panel with dubious anti-vaccine allies and unilaterally slashing childhood vaccine recommendations. Beth Mole, ArsTechnica, 30 Apr. 2026 On vaccines, an issue that has become something of a litmus test because of Kennedy’s history as an anti-vaccine advocate, Saphier appears to to oppose mandates while remaining firm that vaccination has positive impacts. Elizabeth Cooney, STAT, 30 Apr. 2026 Last month, a judge issued a preliminary ruling against several of Kennedy’s most anti-vaccine moves at HHS. Tom Bartlett, The Atlantic, 30 Apr. 2026 An Associated Press analysis found at least 350 anti-vaccine bills were introduced in state legislatures last year. Kerry Sheridan, NPR, 28 Apr. 2026 The anti-vaccine stance of MAGA is simply wrong. Arthur Caplan, New York Daily News, 28 Apr. 2026

Word History

First Known Use

1880, in the meaning defined above

Time Traveler
The first known use of anti-vaccine was in 1880

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Cite this Entry

“Anti-vaccine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anti-vaccine. Accessed 18 May. 2026.

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