Word.ws English Dictionary

booster shot

booster shot noun: a dose of an antigen (usually a vaccine) designed to strengthen immunity after an earlier immunizing dose.

Noun

booster shot (plural booster shots)

  1. A dose of an antigen (usually a vaccine) designed to strengthen immunity after an earlier immunizing dose.

Synonyms of booster shot

Forms of booster shot

pluralbooster shots

Questions about booster shot

What does booster shot mean?
Booster shot means a dose of an antigen (usually a vaccine) designed to strengthen immunity after an earlier immunizing dose.
What part of speech is booster shot?
Booster shot is a noun.
What is the plural of booster shot?
The plural of booster shot is booster shots.

Words near booster shot in the dictionary

  1. booster packs
  2. booster pad
  3. booster pads
  4. booster seat
  5. booster seats
  6. booster shot
  7. booster shots
  8. boostered
  9. boostering
  10. boosterish
  11. boosterism

Source and license

Adapted from Wiktionary: booster shot (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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