variants
or less commonly vax
vaxxed also vaxed; vaxxing also vaxing; vaxxes also vaxes
: to administer a vaccine to : vaccinate
"If you aren't going to get vaxxed, you won't be able to work in that office. We're not going to pay you not to work in the office," [CEO Jamie] Dimon said.—
Aila Slisco
Aila SliscoBut so far, based on what we have read and heard, it seems like vaxxed and boosted people who get breakthrough cases are still just getting mildly sick, if they're symptomatic at all …—Evan Hurst
Evan HurstAt least 70% of all San Francisco residents have received at least one dose of a COVID-19 vaccine, according to health department data released Thursday. "… We're still vaxing thousands daily," the agency said on Twitter.—The San Francisco Chronicle
The San Francisco Chronicle
variants
or less commonly vax
plural vaxxes also vaxes
: vaccine, vaccination
vax rates
… maybe those mandates plus vaxxes for kids will finally get us ahead of the curve.—Charles Kuffner
Charles KuffnerYou've gotten the vaxes and booster (along with your flu shot) …—Helaine Williams
Helaine WilliamsCite this Entry
“Vaxx.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vaxx. Accessed 31 Oct. 2025.
Copy CitationMedical Definition
vaxx
1 of 2 transitive verb
variants
also vax
vaxxed also vaxed; vaxxing also vaxing; vaxxes also vaxes
: to administer a vaccine to : vaccinate
… a recent New York Times/Morning Consult survey of about 4,400 Americans indicated that those who are vaxxed or boosted are most worried about getting COVID within the next year, while the unvaccinated are the least concerned.—Shirley Leung, The Boston Globe
Shirley Leung, The Boston GlobeLove words? Need even more definitions?
Merriam-Webster unabridged
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