Phrase guide

booster dose

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

A dose of an antigen designed to strengthen immunity after an earlier immunizing dose.

Definition source: English Wiktionary via Wiktextract

Topics: immunology, medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: booster, booster injection, booster shot

Antonyms: none provided

2

noun

Meaning 2

an additional dose that makes sure the first dose was effective

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: booster, booster shot, recall dose

Antonyms: none provided

Broader terms: dose, dosage

History

Etymology

No etymology was provided for this word.

Across languages

Translations

21 source translations are retained for this English entry.

  • Catalan: dosi de record — dose of an antigen designed to strengthen immunity after an earlier immunizing dose
  • Chinese Mandarin: 加強劑量 /加强剂量 (jiāqiáng jìliàng) — dose of an antigen designed to strengthen immunity after an earlier immunizing dose
  • Dutch: booster — dose of an antigen designed to strengthen immunity after an earlier immunizing dose
  • Estonian: tõhustusdoos — dose of an antigen designed to strengthen immunity after an earlier immunizing dose
  • Finnish: tehosterokotus — dose of an antigen designed to strengthen immunity after an earlier immunizing dose
  • French: rappel — dose of an antigen designed to strengthen immunity after an earlier immunizing dose
  • German: Wiederholungsimpfung — dose of an antigen designed to strengthen immunity after an earlier immunizing dose
  • German: Auffrischungsimpfung — dose of an antigen designed to strengthen immunity after an earlier immunizing dose
  • Hungarian: emlékeztető oltás — dose of an antigen designed to strengthen immunity after an earlier immunizing dose
  • Icelandic: örvunarskammtur — dose of an antigen designed to strengthen immunity after an earlier immunizing dose
  • Italian: dose di richiamo — dose of an antigen designed to strengthen immunity after an earlier immunizing dose
  • Japanese: 追加接種 (tsuikasesshu) — dose of an antigen designed to strengthen immunity after an earlier immunizing dose
  • Malay: dos penggalak — dose of an antigen designed to strengthen immunity after an earlier immunizing dose
  • Persian: دوز یادآور (doz-e yâd-âvar) — dose of an antigen designed to strengthen immunity after an earlier immunizing dose
  • Portuguese: dose de reforço — dose of an antigen designed to strengthen immunity after an earlier immunizing dose
  • Russian: ревакцинация (revakcinacija) — dose of an antigen designed to strengthen immunity after an earlier immunizing dose
  • Spanish: recuerdo — dose of an antigen designed to strengthen immunity after an earlier immunizing dose
  • Welsh: hyblyn — dose of an antigen designed to strengthen immunity after an earlier immunizing dose
  • Welsh: dos atgyfnerthu — dose of an antigen designed to strengthen immunity after an earlier immunizing dose
  • Welsh: pigiad atgyfnerthu — dose of an antigen designed to strengthen immunity after an earlier immunizing dose
  • Welsh: brechlyn atgyfnerthu — dose of an antigen designed to strengthen immunity after an earlier immunizing dose