Definition of immune in English:



  • 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’
    • ‘Birds that exhibit no infection may be immune to parasites or susceptible but not yet exposed.’
    • ‘As every flu season tells us, developed nations are far from immune to communicable disease.’
    • ‘No area in the United States is immune to head lice.’
    • ‘If you are thinking about becoming pregnant, make sure that you are immune to rubella through a blood test or proof of immunization.’
    • ‘All of this is narrated by Michael, the only one of the quartet immune to the infection.’
    • ‘More people were also already immune to the disease.’
    • ‘Once someone has had chickenpox, they are immune to further infection.’
    • ‘Most women of childbearing age are immune to rubella because they either were vaccinated or had the illness during childhood.’
    • ‘Contracting the disease once does not render a person immune to future infections, which is why getting routine boosters is so important.’
    • ‘And in case anybody at home thinks allergists are immune to getting allergies themselves, you yourself get shots.’
    • ‘People whose immune systems have fought the infection will then be immune to TB.’
    • ‘Most adults are immune to mono after age 18 (their body fights the virus so they don't get sick).’
    • ‘Travelers to these areas should be immune to polio.’
    • ‘In this way, vaccinations allow you to become immune to an infection without having the illness first.’
    • ‘Those who were born before 1956 are considered to be immune to measles and mumps and don't require these vaccines.’
    • ‘What's more, the genes he inherited from those fortunate forebears may have made him largely immune to HIV.’
    • ‘This is an inactive version of the infection and the body produces antibodies to fight it so that you are then immune to it.’
    • ‘When a human being becomes immune to an infection, the immunity is usually due to blood cells, lymphocytes, that produce antibodies.’
    • ‘A blood test will show whether you are already immune to the hepatitis A virus, due to previous infection.’
    • ‘Even if you know you have had the rubella vaccination, your body may not have made enough antibodies to make you immune to the virus, so it is best to check.’
    1. 1.1Biology [attributive]Relating to immune resistance.
      • ‘Several studies have been undertaken using this natural immune modulator.’
      • ‘People with immune suppression or underlying lung disease are more susceptible to fungal infections.’
      • ‘Glutamine also nourishes muscle, gut and immune cells directly, reducing protein loss.’
      • ‘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.’
  • 2Protected or exempt, especially from an obligation or the effects of something.

    ‘they are immune from legal action’
    • ‘When that was the case, were they regarded as being immune from liability for negligence?’
    • ‘Commercial free speech is protected, but it is not immune from regulation.’
    • ‘However, this obviously does not mean that free software advocates are immune from software bugs and configuration problems.’
    • ‘The company claims it is immune from the suit because users legally copy music for personal use.’
    • ‘The Attorney General and Crown attorneys are immune from civil suit except in the case of malicious prosecution.’
    • ‘In the old days, such a manager would have been largely immune from prosecution.’
    • ‘How could these guys operate for more than a decade immune from prosecution?’
    • ‘And the day power becomes immune from criticism is the day democracy dies.’
    • ‘Although no facility can be considered immune to attack, some are less likely targets than others.’
    • ‘But the party that sits to my right is not immune from criticism, either.’
    • ‘Fitzgerald believes the group should be relatively immune to economic slowdown.’
    • ‘That it happens at all is nonetheless deeply troubling for a nation that has long thought itself immune from the kind of social malaise that it liked to characterise as a western problem.’
    • ‘They are also rendered legally immune from any wrongful, illegal and criminal acts the corporation might commit in their search for profits.’
    • ‘Royalty are not immune from their effects, as we have seen all too clearly.’
    • ‘Our tourism industry is not immune from the economic pressures which have moved much of the electronics industry to Eastern Europe and the Far East, and financial services to India.’
    • ‘Historically, firms have been virtually immune from lawsuits based on their decisions relating to their own partners.’
    • ‘In the past, the Vatican has been treated as a sovereign state immune from prosecution.’
    • ‘Nevertheless, if the worst happened, we would not be immune from the effects of such an attack.’
    • ‘No one in the world can consider themselves immune from its potentially disastrous effects.’
    • ‘Politics beckoned, not just because it offered an outlet for his rhetorical brilliance and restless ambition, but also because MPs were immune from prosecution.’
    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
    freed from, absolved from, released from, excused from, relieved of, spared from, excepted from, exempted from
    let off
    View synonyms
    1. 2.1[predicative]Not affected or influenced by something.
      ‘no one is immune to his immense charm’
      • ‘Analyses and opinions were not immune to those influences.’
      • ‘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.’
      • ‘Hidden behind ever-present sunglasses, he appeared immune to pressure.’
      • ‘Is reform possible in a people so immune to reason?’
      • ‘Ohhhhhh but I am not easily affected by any man - I am immune!’
      • ‘Graceful and outgoing to others, they seem almost immune to tension and anxiety.’
      • ‘Even though men are often centralised in these knowledge systems, it does not mean that they are immune to their influence.’
      • ‘The political class has become largely immune to the heartache of war.’
      • ‘Foreign policy coordination is mostly immune to specific goals or timetables.’
      • ‘I guess there are only so many classics and back home you almost become immune to their charms.’
      • ‘Being supposedly immortal did not make me immune to pain.’
      • ‘His ambition fueled him onward, rendering him immune to pain or trivial distractions.’
      • ‘At the same time, the hype notwithstanding, large parts of the country remain immune to media influence.’
      • ‘Consumer electronics has so far appeared relatively immune to the economic downturn.’
      • ‘So maybe I'm not completely immune to those seasonal influences either…’
      • ‘This is unfortunate, since he has usually been immune to such literary affectations.’
      unchanged, unaltered, uninfluenced
      View synonyms


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.