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 Kennedy, a leading anti-vaccine advocate before becoming health secretary, decided not to wait for the scientific panel’s review. Mike Stobbe, Chicago Tribune, 30 May 2025 The Centers for Disease Control and Prevention on Thursday updated its immunization schedules for children and adults to partially reflect the abrupt changes announced by health secretary and anti-vaccine advocate Robert F. Kennedy Jr. earlier this week. Beth Mole, ArsTechnica, 30 May 2025 This was not a position following the science, but one more expression of the RFK’s nutty and long-standing anti-vaccine activism. New York Daily News Editorial Board, New York Daily News, 29 May 2025 But public health experts have expressed concern that increasing anti-vaccine sentiments in general – and anti-mRNA sentiments specifically – may block people from accessing vaccines. Katherine Dillinger, CNN Money, 28 May 2025 But Kennedy, a leading anti-vaccine advocate before becoming health secretary, decided not to wait. Mike Stobbe, Los Angeles Times, 27 May 2025 Two recent examples make this dilemma especially visible: President Donald Trump’s sweeping tariffs and Health and Human Services Secretary Robert F. Kennedy Jr.’s anti-vaccine rhetoric. Robert Pearl, Forbes.com, 26 May 2025 Much of the language in the report echoes previous skepticism from Kennedy and other anti-vaccine activists, the Washington Post noted. Tom Gavin, EverydayHealth.com, 23 May 2025 The anti-vaccine community, including the group formerly led by Health Secretary Robert F. Kennedy Jr., has spent years promoting the idea that mRNA vaccines for COVID regularly push tumors into overdrive. Benjamin Mazer, The Atlantic, 19 May 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 4 Jun. 2025.

Last Updated: - Updated example sentences
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