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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 routinely vaccinate teenagers against MenB is complicated.

From BBC • Mar. 20, 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

“By early childhood most high-income nations vaccinate against roughly a dozen to fifteen serious pathogens,” the group said.

From Barron's • Jan. 5, 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

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

From "The Poisonwood Bible" by Barbara Kingsolver