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.
But fears about the safety of getting the shot during pregnancy have been stoked by politicians and public figures airing anti-vaccine talking points on the national stage. Yasmin Tayag, The Atlantic, 16 Sep. 2025 Like the existing members, the new appointees have questionable qualifications for being on the panel, and many have expressed anti-vaccine views. Beth Mole, ArsTechnica, 15 Sep. 2025 Kennedy himself had found his way to anti-vaccine activism through his work as an environmentalist, advocating to keep water clean from mercury and other pollutants. Clare Malone, New Yorker, 15 Sep. 2025 Catherine Stein - a Case Western Reserve University researcher who worked with Ohio anti-vaccine groups during the COVID-19 pandemic. Adeola Adeosun gabe Whisnant, MSNBC Newsweek, 15 Sep. 2025 Many of the committee's new members share Kennedy's anti-vaccine views. Rob Stein, NPR, 11 Sep. 2025 While the report stopped short of calling for any direct policy or regulatory changes, vaccines have been a major priority for Kennedy, a longtime anti-vaccine activist and founder of the anti-vaccine group Children’s Health Defense. Joseph Choi, The Hill, 11 Sep. 2025 Congressional Republicans already face having to defend Medicaid cuts and Kennedy’s anti-vaccine efforts. Carl Leubsdorf, Mercury News, 11 Sep. 2025 Kennedy is attacking immunizations on a much larger scale, pushing an anti-vaccine agenda, according to top CDC officials who resigned over Kennedy’s leadership. Simon Williams, Time, 8 Sep. 2025

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 18 Sep. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!