anti-vaccine

adjective

ˌan-tē-vak-ˈsēn,
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.
Siri was Kennedy’s lawyer during his 2024 presidential campaign and has represented prominent anti-vaccine activists in numerous lawsuits. Rachana Pradhan, CNN Money, 2 May 2025 Kennedy has faced criticism over his past anti-vaccine advocacy, stirring doubts about the efficacy of the COVID-19 vaccine in particular. Julia Mueller, The Hill, 1 May 2025 Martin’s letters to medical journals appear intended to promote the anti-science, anti-vaccine policies of Robert F. Kennedy Jr., Trump’s wildly unfit health secretary. Orlando Sentinel and South Florida Sun Sentinel Editorial Boards, The Orlando Sentinel, 1 May 2025 But with anti-vaccine sentiment increasing and cuts to immunization services, vaccination rates for whooping cough over the past two years have declined in children. Annette Regan, The Conversation, 29 Apr. 2025 The statement marked a notable departure from his past affiliations with anti-vaccine advocacy groups and was widely seen as an attempt to reassure the public. Thomas G. Moukawsher, MSNBC Newsweek, 24 Apr. 2025 Health and Human Services (HHS) Secretary Robert F. Kennedy Jr. for years was a leading vaccine skeptic, as head of the anti-vaccine organization Children’s Health Defense. Tara Suter, The Hill, 23 Apr. 2025 At the heart of this problem lies the influence of vocal anti-vaccine rhetoric that is not only scientifically unsound but also profoundly irresponsible. Amar Duggirala, Baltimore Sun, 23 Apr. 2025 The doctor's infection was revealed in a video posted online by Children's Health Defense (CHD), the rabid anti-vaccine advocacy organization founded and previously run by Robert F. Kennedy Jr., a long-time anti-vaccine advocate who is now the US secretary of health. ArsTechnica, 21 Apr. 2025

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 21 May. 2025.

Last Updated: - Updated example sentences
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