vaccinate

verb
vac·​ci·​nate | \ˈvak-sə-ˌnāt \
vaccinated; vaccinating

Definition of vaccinate 

transitive verb

: to administer a vaccine to usually by injection

intransitive verb

: to perform or practice vaccination

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Other Words from vaccinate

vaccinator \ ˈvak-​sə-​ˌnā-​tər \ noun

Examples of vaccinate in a Sentence

We vaccinate all the animals that come to our shelter.

Recent Examples on the Web

The mutated virus can now be passed around in areas where few people have been vaccinated, sickening some along the way. Julia Belluz, Vox, "A vaccine we don’t even use anymore is a reason polio keeps spreading — yes, really," 4 July 2018 About 100 health workers have been vaccinated there as front-line workers face high risk from the virus, which is spread via contact with the bodily fluids of those infected, including the dead. Saleh Mwanamilongo, The Seattle Times, "1 new Ebola death confirmed in Congo, bringing total to 12," 27 May 2018 The support for vaccinating pets was echoed by other agencies. Ceylan Yeginsu, New York Times, "No, Your Dog Can’t Get Autism From a Vaccine," 27 Apr. 2018 The fifth was a Brazilian citizen who was not vaccinated and had traveled to Florida to visit the theme parks, according to the CDC. Naseem S. Miller, OrlandoSentinel.com, "4 measles cases reported in Florida this month," 29 May 2018 In fact, a new Cochrane review that looked at data involving more than 70,000 girls and women found that the HPV vaccine protects against cervical precancer in women who are vaccinated between between the ages of 15 and 26. Yvette D'entremont, SELF, "How Much Do You Really Have to Worry About Trying to Prevent Cancer?," 16 May 2018 Students at those two schools who aren't vaccinated were held out of classes during the 21-day incubation period per state law. Andy Marso, kansascity, "Kansas City reaches important milestone in its two measles outbreaks | The Kansas City Star," 11 May 2018 However, there have been recent outbreaks of the virus among young adults who were vaccinated. CBS News, "Health officials urging vaccination amid mumps outbreak in Delaware," 3 Apr. 2018 Beware, however, that some people, including those who have been vaccinated against the flu, may have only very mild symptoms but can still be contagious. Richard Klasco, M.d., New York Times, "Am I Contagious?," 2 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'vaccinate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of vaccinate

1882, in the meaning defined at transitive sense

History and Etymology for vaccinate

earlier, "to inoculate with fluid from a cowpox pustule," back-formation from vaccination; in later extended sense, in part borrowed from French vacciner, verbal derivative of vaccin vaccine

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Dictionary Entries near vaccinate

Vaccaria

vaccary

vaccinal

vaccinate

vaccination

vaccine

vaccinee

Statistics for vaccinate

Last Updated

11 Nov 2018

Look-up Popularity

Time Traveler for vaccinate

The first known use of vaccinate was in 1882

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More Definitions for vaccinate

vaccinate

verb

English Language Learners Definition of vaccinate

medical : to give (a person or an animal) a vaccine to prevent infection by a disease

vaccinate

verb
vac·​ci·​nate | \ˈvak-sə-ˌnāt \
vaccinated; vaccinating

Kids Definition of vaccinate

: to give a vaccine to usually by injection

vaccinate

verb
vac·​ci·​nate | \ˈvak-sə-ˌnāt \
vaccinated; vaccinating

Medical Definition of vaccinate 

(Entry 1 of 2)

transitive verb

1 : to inoculate (a person) with cowpox virus in order to produce immunity to smallpox

2 : to administer a vaccine to usually by injection

intransitive verb

: to perform or practice vaccination

vaccinate

noun
vac·​ci·​nate | \ˈvak-sə-ˌnāt, -nət \

Medical Definition of vaccinate (Entry 2 of 2)

: a vaccinated individual

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