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Definitions

vaccinate

[vak-suh-neyt] / ˈvæk səˌneɪt /
VERB
give a shot to treat or prevent disease
Synonyms
Antonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Experts say the case for whether to vaccinate teenagers against Men B is complicated.

From BBC • Mar. 17, 2026

Centers for Disease Control and Prevention spoke with a single voice when advising the nation’s families on when to vaccinate their children.

From Los Angeles Times • Jan. 26, 2026

“All of our best studies and decades of experience point to continuing to vaccinate all newborns to protect them against hep B.”

From Salon • Dec. 12, 2025

Some people would say, “Well, then just test the mother. See if the mother has hepatitis B. If she does, then you vaccinate the baby.”

From Slate • Dec. 4, 2025

We imagined them liberating Angola and marching right on up the Congo River to vaccinate us all!

From "The Poisonwood Bible" by Barbara Kingsolver