immunity
//ɪˈmjuːnɪti//
Noun
immunitySingular
immunitiesPlural
1
The ability of an organism to resist a particular infection or toxin by the action of specific antibodies or sensitized white blood cells.
The vaccine helps build immunity against the virus.
2
Protection or exemption from something, especially an obligation or penalty.
Diplomats enjoy immunity from prosecution in the host country.
3
Official protection from legal prosecution granted to a witness in exchange for testimony.
The witness was granted immunity in exchange for testifying against the crime boss.