vaccinate
verb
vac·ci·nate
ˈvak-sə-ˌnāt 
vaccinated; vaccinating
: to administer a vaccine to usually by injection
: to perform or practice vaccination
Examples of vaccinate in a Sentence
We vaccinate all the animals that come to our shelter.
Recent Examples on the Web
Nearly 80% of kindergarteners in Idaho in the 2023-24 school year were vaccinated, leaving about 20% unprotected, according to the annual National Immunization Survey.
—
Angela Palermo, Idaho Statesman, 31 Jan. 2026
Before the pandemic, in 2018, close to 60% of kids nationally were vaccinated against the flu, said Chin-Hong of UCSF.
—Grant Stringer, Mercury News, 30 Jan. 2026
Vaccines to protect against meningococcal disease are among those that the CDC no longer recommends broadly, instead recommending them for children in certain high-risk groups, but otherwise leaving it up to parents and doctors whether to vaccinate individual children who are not at high risk.
—Lisa Schencker, Chicago Tribune, 30 Jan. 2026
Some estimates suggest 80% of healthy people and 90% of high-risk people need to be vaccinated for herd immunity against the flu, though these thresholds can be difficult to achieve, Huang said.
—William Tong, Dallas Morning News, 29 Jan. 2026
See All Example Sentences for vaccinate
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Angela Palermo, Idaho Statesman, 31 Jan. 2026
Before the pandemic, in 2018, close to 60% of kids nationally were vaccinated against the flu, said Chin-Hong of UCSF.
—Grant Stringer, Mercury News, 30 Jan. 2026
Vaccines to protect against meningococcal disease are among those that the CDC no longer recommends broadly, instead recommending them for children in certain high-risk groups, but otherwise leaving it up to parents and doctors whether to vaccinate individual children who are not at high risk.
—Lisa Schencker, Chicago Tribune, 30 Jan. 2026
Some estimates suggest 80% of healthy people and 90% of high-risk people need to be vaccinated for herd immunity against the flu, though these thresholds can be difficult to achieve, Huang said.
—William Tong, Dallas Morning News, 29 Jan. 2026
See All Example Sentences for vaccinate
Cite this Entry
“Vaccinate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vaccinate. Accessed 3 Feb. 2026.
Copy CitationKids Definition
vaccinate
verb
vac·ci·nate
ˈvak-sə-ˌnāt
vaccinated; vaccinating
: to give a vaccine to usually by injection
Medical Definition
vaccinate
1 of 2 verb
vac·ci·nate
ˈvak-sə-ˌnāt
vaccinated; vaccinating
1
: to inoculate (a person) with cowpox virus in order to produce immunity to smallpox
2
: to administer a vaccine to usually by injection
: to perform or practice vaccination
vaccinate
2 of 2 noun
vac·ci·nate
ˈvak-sə-ˌnāt
-nət
-nət
: a vaccinated individual
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