Definition of immune in English:


Syllabification: im·mune
Pronunciation: /iˈmyo͞on


  • 1Resistant to a particular infection or toxin owing to the presence of specific antibodies or sensitized white blood cells: they were naturally immune to hepatitis B
    More example sentences
    • People whose immune systems have fought the infection will then be immune to TB.
    • Contracting the disease once does not render a person immune to future infections, which is why getting routine boosters is so important.
    • In this way, vaccinations allow you to become immune to an infection without having the illness first.
  • 1.1Protected or exempt, especially from an obligation or the effects of something: they are immune from legal action
    More example sentences
    • Nevertheless, if the worst happened, we would not be immune from the effects of such an attack.
    • Royalty are not immune from their effects, as we have seen all too clearly.
    • Commercial free speech is protected, but it is not immune from regulation.
    resistant to, not subject to, not liable to, unsusceptible to, not vulnerable to; protected from, safe from, secure against, not in danger of; impervious to, invulnerable to, unaffected by
  • 1.2 [predic.] Not affected or influenced by something: no one is immune to his immense charm
    More example sentences
    • So maybe I'm not completely immune to those seasonal influences either…
    • We could see their love and it rubbed off on us - or at least it rubbed off on those not so opposed to the man as to be immune to such influence.
    • At the same time, the hype notwithstanding, large parts of the country remain immune to media influence.
  • 1.3 [attributive] Biology Of or relating to immunity: the body’s immune system
    More example sentences
    • Rejection is the term applied to the natural immune response to foreign tissue.
    • Vitamin C is necessary for collagen formation, proper immune function, and as a tissue antioxidant.
    • Several studies have been undertaken using this natural immune modulator.


late Middle English (in the sense 'free from (a liability)'): from Latin immunis 'exempt from public service or charge', from in- 'not' + munis 'ready for service'. Senses relating to physiological resistance date from the late 19th century.

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