IELTS Speaking · Vocabulary
immunity
nounɪˈmjuːnətiBand 7
Last updated 2 September 2026
In short
“immunity” is a Band 7 noun that means the body's ability to resist a particular infection or toxin. Below you'll find its pronunciation, natural example sentences, synonyms and antonyms, and the collocations that help you use it accurately in the IELTS Speaking test.
Meaning
The body's ability to resist a particular infection or toxin.
Example sentences
- “Vaccines build immunity against disease.”
- “A healthy diet can strengthen your immunity.”
Synonyms & antonyms
Synonyms
resistanceprotection
Antonyms
susceptibilityvulnerability
Collocations & common phrases
Collocations
build immunityboost immunitynatural immunity
Common phrases
immunity to disease
Related words
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Frequently asked questions
What does “immunity” mean?
The body's ability to resist a particular infection or toxin.
How do you use “immunity” in a sentence?
For example: “Vaccines build immunity against disease.”
What are some synonyms for “immunity”?
Synonyms include resistance, protection.
Is “immunity” good vocabulary for IELTS Speaking?
Yes. It is Band 7 vocabulary, and collocations such as build immunity, boost immunity, natural immunity help you use it naturally. Reaching for precise, less common words like this is exactly what lifts your Lexical Resource score.