Pronunciation: (i-myOOn'), [key]
1. protected from a disease or the like, as by inoculation.
2. of or pertaining to the production of antibodies or lymphocytes that can react with a specific antigen: immune reaction.
3. exempt or protected: immune from punishment.
4. not responsive or susceptible: immune to new ideas.
a person who is immune.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.