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.
Most of the new members have little to no expertise for the panel, and several share the same anti-vaccine and contrarian public health views as Kennedy. ArsTechnica, 11 July 2025 Although not named in the letter, this is in reference to Lyn Redwood, a former president of the Children's Health Defense, a group founded by Kennedy that pursues anti-vaccine causes. Bymary Kekatos, ABC News, 10 July 2025 The milestone marks a public health reversal in defeating a highly contagious, vaccine-preventable disease as the anti-vaccine movement gains strength. arkansasonline.com, 8 July 2025 Several major medical organizations are suing Robert F. Kennedy Jr. over recent high-profile anti-vaccine actions. Josh Feldman, NBC news, 8 July 2025 Kennedy, who has a long history of anti-vaccine actions, also fired 17 members of the CDC’s Advisory Committee on Immunization Practices and replaced them with seven new members, some of whom have raised questions about safety and efficacy of vaccines. Jen Christensen, CNN Money, 7 July 2025 The plaintiffs, which include the American Academy of Pediatrics and the Society for Maternal-Fetal Medicine, claim Kennedy’s recent decisions were designed to mislead, confuse and desensitize the public to anti-vaccine and anti-science rhetoric. Adrianna Rodriguez, USA Today, 7 July 2025 This panel of seven replaced the 17 ACIP members Kennedy fired last month in order to stack the committee with members who share his anti-vaccine agenda. Lisa Jarvis, Mercury News, 5 July 2025 In 2019, large outbreaks in New York threatened elimination status; those outbreaks were concentrated in Orthodox Jewish communities in Brooklyn and Rockland County that had been targeted with anti-vaccine disinformation for years. Deidre McPhillips, CNN Money, 5 July 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 25 Jul. 2025.

Last Updated: - Updated example sentences
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