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.
However, aluminum salts have been a target of many anti-vaccine activists. Aria Bendix, NBC news, 24 Feb. 2026 Kennedy then selected new members, many of whom have expressed anti-vaccine views that echo Kennedy’s. Meg Tirrell, CNN Money, 19 Feb. 2026 Her dismissal triggered the resignations of four senior CDC officials, including Houry and Jernigan, who cited anti-vaccine policies and misinformation pushed by Kennedy. USA Today, 18 Feb. 2026 Misinformation and conspiracy theories about the public health system also spread during the pandemic, and longtime anti-vaccine activist groups saw a swell in interest from the wider public. Matt Brown, Fortune, 10 Feb. 2026 Misinformation and conspiracy theories about the public health system also spread during the pandemic, and longtime anti-vaccine activist groups saw a swell in interest from the wider public. Arkansas Online, 9 Feb. 2026 Misinformation and conspiracy theories about the public health system also spread during the pandemic, and longtime anti-vaccine activist groups saw a swell in interest from the wider public. Matt Brown, Denver Post, 8 Feb. 2026 That enraged a coalition of anti-mask, anti-vaccine, pro-Trump protesters, who pushed their way into the locked election office. Kevin Rector, Los Angeles Times, 8 Feb. 2026 And this secretary has been a long-standing anti-vaccine advocate. CBS News, 8 Feb. 2026

Word History

First Known Use

1880, in the meaning defined above

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

Browse Nearby Words

Cite this Entry

“Anti-vaccine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anti-vaccine. Accessed 27 Feb. 2026.

Last Updated: - Updated example sentences
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