To be immune to something is to be resistant to it. If you had chickenpox as a child, you should be immune to it now.

The adjective immune comes from the Latin word immunis, which means “exempt from public service.” If you're protected — or exempt — from disease, injury, work, insults, or accusations, then you're immune. Vaccinations serve to make people immune to certain diseases. Being a diplomat makes people immune to certain legal persecution. To be immune to bullying means that you don’t let the bad behavior of your peers get you down.

Definitions of immune
  1. adjective
    relating to the condition of immunity
    “the immune system”
  2. adjective
    relating to or conferring immunity (to disease or infection)
    synonyms: resistant
    insusceptible, unsusceptible
    not susceptible to
  3. adjective
    (usually followed by `to') not affected by a given influence
    immune to persuasion”
    undergoing no change when acted upon
  4. adjective
    secure against
    immune from taxation as long as he resided in Bermuda”
    immune from criminal prosecution”
    (of persons) freed from or not subject to an obligation or liability (as e.g. taxes) to which others or other things are subject
  5. noun
    a person who is immune to a particular infection
    see moresee less
    Typhoid Mary
    United States cook who was an immune carrier of typhoid fever and who infected dozens of people (1870-1938)
    carrier, immune carrier
    (medicine) a person (or animal) who has some pathogen to which he is immune but who can pass it on to others
    type of:
    individual, mortal, person, somebody, someone, soul
    a human being
Word Family

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