anti-vaccine
adjective
anti-vac·cine
ˌan-tē-vak-ˈsēn 
ˌan-ˌtī-
ˌan-ˌtī-
-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
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
David M. Higgins and Sean T. O'LearyExamples of anti-vaccine in a Sentence
Recent Examples on the Web
Suggested changes Some of the changes in the renewal may stem from a push made by an anti-vaccine group close to Kennedy.
—Beth Mole, ArsTechnica, 6 Apr. 2026
Lyons, like Kennedy and other anti-vaccine advocates, rejects the idea that MAHA is anti-vaccine, instead casting it as an effort to challenge taboos and champion medical freedom.
—Tom Bartlett, The Atlantic, 5 Apr. 2026
But such a marketplace could potentially protect a physician who wants to spread anti-vaccine information, Shachar said.
—Theresa Gaffney, STAT, 3 Apr. 2026
But its path in the US could be rocky, not least because of Kennedy himself, who’s embraced both anti-vaccine views and conspiracy theories, including that Lyme disease may be a bioweapon engineered by US government scientists during the Cold War.
—Meg Tirrell, CNN Money, 31 Mar. 2026
Unfortunately, the garbage that RFK spewed during his time as a private sector anti-vaccine crusader and is now trying to make government policy has had vaccine skepticism growing nationwide, with deadly consequences.
—Arkansas Online, 23 Mar. 2026
Some of the members, like Kennedy, have a history of anti-vaccine advocacy and involvement in anti-vaccine groups.
—Mary Walrath-Holdridge, USA Today, 22 Mar. 2026
Unfortunately, the garbage that RFK spewed during his time as a private sector anti-vaccine crusader and is now trying to make government policy as the nation’s top public health official has had vaccine skepticism growing nationwide, with deadly consequences.
—New York Daily News Editorial Board, New York Daily News, 18 Mar. 2026
Kennedy was a leading anti-vaccine activist before becoming the nation’s top health official.
—Lisa Schencker, Chicago Tribune, 17 Mar. 2026
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Beth Mole, ArsTechnica, 6 Apr. 2026
Lyons, like Kennedy and other anti-vaccine advocates, rejects the idea that MAHA is anti-vaccine, instead casting it as an effort to challenge taboos and champion medical freedom.
—Tom Bartlett, The Atlantic, 5 Apr. 2026
But such a marketplace could potentially protect a physician who wants to spread anti-vaccine information, Shachar said.
—Theresa Gaffney, STAT, 3 Apr. 2026
But its path in the US could be rocky, not least because of Kennedy himself, who’s embraced both anti-vaccine views and conspiracy theories, including that Lyme disease may be a bioweapon engineered by US government scientists during the Cold War.
—Meg Tirrell, CNN Money, 31 Mar. 2026
Unfortunately, the garbage that RFK spewed during his time as a private sector anti-vaccine crusader and is now trying to make government policy has had vaccine skepticism growing nationwide, with deadly consequences.
—Arkansas Online, 23 Mar. 2026
Some of the members, like Kennedy, have a history of anti-vaccine advocacy and involvement in anti-vaccine groups.
—Mary Walrath-Holdridge, USA Today, 22 Mar. 2026
Unfortunately, the garbage that RFK spewed during his time as a private sector anti-vaccine crusader and is now trying to make government policy as the nation’s top public health official has had vaccine skepticism growing nationwide, with deadly consequences.
—New York Daily News Editorial Board, New York Daily News, 18 Mar. 2026
Kennedy was a leading anti-vaccine activist before becoming the nation’s top health official.
—Lisa Schencker, Chicago Tribune, 17 Mar. 2026
Cite this Entry
“Anti-vaccine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anti-vaccine. Accessed 8 Apr. 2026.
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