immunity

Short definition from Wiktionary

Noun

1. 1
   The state of being insusceptible to something; notably: Protective resistance against disease.
2. 2
   The state of being insusceptible to something; notably: An exemption from specified duties, such as payments or services.
3. 3
   The state of being insusceptible to something; notably: An exemption from prosecution.
4. 4
   The state of being insusceptible to something; notably: An exemption from penance.
5. 5
   The state of being insusceptible to something; notably: An exemption given to a player from losing or being withdrawn from play.
6. 6
   A resistance to a specific thing.