Definition of immune in English:


Line breaks: im¦mune
Pronunciation: /ɪˈmjuːn


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.
1.1 [attributive] Biology Relating to immune resistance.
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.
2Protected 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, not subject, not liable, unsusceptible, not vulnerable, not open, not exposed;
protected from, safe from, secure against, not in danger of, exempt from, clear of, free from, unaffected by, proof against;
informal let off
2.1 [predicative] 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.


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.

Definition of immune in: