anti-vax
adjective
an·ti-vax
ˌan-tē-ˈvaks 
ˌan-ˌtī-
ˌan-ˌtī-
variants
or less commonly antivax
: anti-vaccination
Aggressive anti-vax campaigns claiming that vaccines are unsafe and can lead to autism—a theory long disproven—drive much of the vaccine hesitancy worldwide.—
Lily Hyde
Lily HydeThe governor, who works hard to straddle the line between being antivax and merely being the friend of the anti-vaxxers, didn't mention the word "vaccine" in his address …—News-Journal (Daytona Beach, Florida)
News-Journal (Daytona Beach, Florida)Examples of anti-vax in a Sentence
Recent Examples on the Web
Bigtree, whose father is a minister, used his speech to embrace the anti-vax label, even calling God an anti-vaxxer.
—Tom Bartlett, The Atlantic, 24 Feb. 2026
Kennedy has stocked key public health advisory committees with anti-vax crusaders.
—Business Columnist, Los Angeles Times, 18 Feb. 2026
And it's given voice to a lot of people who are anti-vax from the outset, who are now gaining political residence and starting to drive a lot of the policy agenda, including at the Department of Health and Human Services.
—CBS News, 8 Feb. 2026
Her Instagram-friendly slideshows address everyday life situations that intersect with public health, including how to talk about rising autism cases with skeptical family members and explain holes in anti-vax logic.
—Alexa Lee, STAT, 27 Jan. 2026
See All Example Sentences for anti-vax
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.
Tom Bartlett, The Atlantic, 24 Feb. 2026
Kennedy has stocked key public health advisory committees with anti-vax crusaders.
—Business Columnist, Los Angeles Times, 18 Feb. 2026
And it's given voice to a lot of people who are anti-vax from the outset, who are now gaining political residence and starting to drive a lot of the policy agenda, including at the Department of Health and Human Services.
—CBS News, 8 Feb. 2026
Her Instagram-friendly slideshows address everyday life situations that intersect with public health, including how to talk about rising autism cases with skeptical family members and explain holes in anti-vax logic.
—Alexa Lee, STAT, 27 Jan. 2026
See All Example Sentences for anti-vax
Cite this Entry
“Anti-vax.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anti-vax. Accessed 18 Mar. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
