say it: i-MYOO-nuh-tee
immunity is a noun meaning "the state of not being susceptible". It carries 4 recorded senses.
the state of not being susceptible
“unsusceptibility to rust”
(medicine) the condition in which an organism can resist disease
medicine
an act exempting someone
“he was granted immunity from prosecution”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for immunity come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.