immunity Meaning, Definition & Usage

  1. noun the state of not being susceptible
    unsusceptibility.
    • unsusceptibility to rust
  2. noun (medicine) the condition in which an organism can resist disease
    resistance.
  3. noun the quality of being unaffected by something
    • immunity to criticism
  4. noun an act exempting someone
    exemption; granting immunity.
    • he was granted immunity from prosecution

WordNet

Im*mu"ni*ty noun
Etymology
L. immunitas, fr. immunis free from a public service; pref. im- not + munis complaisant, obliging, cf. munus service, duty: cf. F. immunité. See Common, and cf. Mean, a.
Wordforms
plural Immunities
Definitions
  1. Freedom or exemption from any charge, duty, obligation, office, tax, imposition, penalty, or service; a particular privilege; as, the immunities of the free cities of Germany; the immunities of the clergy.
  2. Freedom; exemption; as, immunity from error.

Webster 1913