O OneWordDaily
AI-generated image
Word of the Day Tuesday, June 9, 2026

boosters

/ˈbuːstərz/ noun · British & US
Valid in UKValid in US
Share WhatsApp

What does boosters mean?

noun

People or things that give a person or thing a boost, or a substance that is added to a vaccine to increase its effectiveness.

Example

"The new vaccine requires a series of boosters to provide long-term immunity."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for boosters

Antonyms of boosters

Rhymes with boosters

Etymologically related