im·mu·ni·ty 
(ĭ-mynĭ-tē)
(ĭ-mynĭ-tē)n. pl. im·mu·ni·ties
1. The quality or condition of being immune: "His above-average size during adolescence did not purchase immunity from the depredations of school bullies" (Stephen S. Hall).
2. Immunology Inherited, acquired, or induced resistance to infection by a specific pathogen.
3. Law
a. Exemption from certain generally applicable requirements of law or from certain liabilities, granted to special groups of people to facilitate the performance of their public functions: diplomatic immunity; judicial immunity.
b. Exemption from prosecution granted to a witness to compel him or her to give potentially self-incriminating testimony that otherwise could not be compelled because of the constitutional right against self-incrimination.
c. Exemption from being sued: sovereign immunity; charitable immunity.
4. A condition conferred upon a contestant that prevents him or her from being eliminated from a competition for a certain time period: The winner of the challenge was given immunity for the following challenge.