1 vaccinate | Definition of vaccinate

vaccinate

verb
vac·​ci·​nate | \ ˈvak-sə-ˌnāt How to pronounce vaccinate (audio) \
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 How to pronounce vaccinator (audio) \ noun

Examples of vaccinate in a Sentence

We vaccinate all the animals that come to our shelter.

Recent Examples on the Web

Officials urge anyone who has not been vaccinated to get immunized; most people who have contracted measles in the state were not immunized. Los Angeles Times, "Amid measles warning for Disneyland, other L.A. tourist spots, here is what you need to know," 24 Aug. 2019 But anyone who hasn’t been vaccinated can get hepatitis A — as Akron health officials are finding out. Laura Ungar, chicagotribune.com, "Hepatitis A is racing across the U.S. Here’s what you should know.," 16 Aug. 2019 During an outbreak, measles mainly affects unvaccinated children, but also adults who have never been vaccinated. Benjamin Kagina, Quartz Africa, "DR Congo’s Ebola crisis has led to children dying from measles," 12 July 2019 High-risk groups include infants, the elderly, those with chronic diseases and those who have not been vaccinated. Anna Bauman, Detroit Free Press, "Measles case confirmed in Grand Traverse County," 10 July 2019 Those who've consumed the product and who have not been vaccinated for the hepatitis A virus, or HAV, should consult with a doctor, the FDA said. Kate Gibson, CBS News, "Costco joins Kroger in recalling frozen berries due to hepatitis A concerns," 13 June 2019 About 10 to 20% of people who aren't vaccinated against it, have HPV, DC says. Jayne O'donnell, USA TODAY, "HPV vaccine prevents anal cancer, too, 'Desperate Houswives' Marcia Cross reminds us," 6 June 2019 And the best part: Pixie’s adoption fees are waived, like with all senior dogs ages 7 and up — as well as ready-to-go dogs, which are spayed/neutered, vaccinated, microchipped and ready to go home the same day as a visit. Kathleen Christiansen, orlandosentinel.com, "Featured Pet: Pixie from Orange County Animal Services," 9 Aug. 2019 By that accounting, every dog in India could theoretically be vaccinated for under $90 million. James Gorman, New York Times, "Rabies Kills Tens of Thousands Yearly. Vaccinating Dogs Could Stop It.," 22 July 2019

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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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 How to pronounce vaccinate (audio) \
vaccinated; vaccinating

Kids Definition of vaccinate

: to give a vaccine to usually by injection

vaccinate

verb
vac·​ci·​nate | \ ˈvak-sə-ˌnāt How to pronounce vaccinate (audio) \
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 How to pronounce vaccinate (audio) , -nət How to pronounce vaccinate (audio) \

Medical Definition of vaccinate (Entry 2 of 2)

: a vaccinated individual

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More from Merriam-Webster on vaccinate

Rhyming Dictionary: Words that rhyme with vaccinate

Spanish Central: Translation of vaccinate

Nglish: Translation of vaccinate for Spanish Speakers

Britannica English: Translation of vaccinate for Arabic Speakers