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.
Speakers at some legislative proceedings have included representatives from Children's Health Defense, an activist, anti-vaccine group founded by Kennedy. Stephanie Armour | Kff Health News, ABC News, 8 Mar. 2025 Kennedy founded the Children’s Health Defense, an anti-vaccine nonprofit, and served as the organization’s chairman and chief litigation counsel from 2015 until 2023. Jessica Winter, The New Yorker, 8 Mar. 2025 Schlossberg has been hugely critical of RFK Jr., who was largely seen as a leader in the anti-vaccine movement during the height of COVID-19. Brian Niemietz, New York Daily News, 7 Mar. 2025 Health officials have voiced concerns that rising anti-vaccine sentiment across the country has contributed to a measles outbreak. Tommy Tuberville, Newsweek, 6 Mar. 2025 Schlossberg has used his social media in recent months to repeatedly blast RFK Jr., occasionally roping in Hines for standing by her husband, who is a longtime anti-vaccine activist. Meredith Kile, People.com, 6 Mar. 2025 Schlossberg, who is late President John F. Kennedy’s grandson and an outspoken Democratic advocate, has previously criticized Kennedy Jr. for being vocal about his anti-vaccine perspective. Carly Thomas, The Hollywood Reporter, 6 Mar. 2025 Dave Weldon, Trump’s nominee to lead the CDC, has a long history of anti-vaccine comments. Ezekiel J. Emanuel, The Atlantic, 4 Mar. 2025 During outbreaks, anti-vaccine groups have organized drives to fundraise and send vitamin A to affected communities. Erika Edwards, NBC News, 4 Mar. 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 13 Mar. 2025.

Last Updated: - Updated example sentences
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