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immunity

Pronunciation: /ɪˈmjuːnɪti/

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Definition of immunity

noun (plural immunities)

  • 1 [mass noun] the ability of an organism to resist a particular infection or toxin by the action of specific antibodies or sensitized white blood cells:immunity to typhoid seems to have increased spontaneously
  • 2protection or exemption from something, especially an obligation or penalty:the rebels were given immunity from prosecution
  • Law officially granted exemption from legal proceedings or liability.
  • lack of susceptibility, especially to something unwelcome or harmful:products must have an adequate level of immunity to interference

Origin:

late Middle English: in the sense 'exemption (from a liability'): from Latin immunitas, from immunis (see immune)

immunity in other Oxford dictionaries

Definition of immunity in the US English dictionary

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