vax

American  

[vaks] / væks /

noun

plural

vaxes, vaxxes

1. a vaccine or vaccination.

   I never got my scheduled measles vax in the 1960s because I contracted the measles first.

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verb (used with object)

vaxed, vaxxed

1. to vaccinate.

   Our hospital policy is that staff must be vaxxed by December 15.

Etymology

Origin of vax

By shortening and alteration

Example Sentences

Plus, Larry Summers’ Epstein-linked Harvard exit, the surgeon-general nominee’s vax stance and makeup for 6-year-olds.

From The Wall Street Journal • Mar. 3, 2026

Megan Thee Stallion ushered in the notion of the “Hot Girl Summer” with her 2019 song, which led to the hopeful but mostly unrealized “hot vax summer” of 2021.

From New York Times • Jun. 3, 2023

Last year's word of the year was vax, echoing the interest in vaccines after a coronavirus vaccine was released.

From BBC • Dec. 5, 2022

It’s a far cry from a year ago, with predictions of a “hot vax summer” uninhibited by covid concerns.

From Washington Post • May 28, 2022

"Dere be von beau gar�on!" exclaimed the Countess, turning him round after having led him into the middle of the room—"dat habit does fit you like vax."

From Jorrocks' Jaunts and Jollities by Surtees, Robert Smith