DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   immune
       adj 1: relating to the condition of immunity; "the immune
              system"
       2: secure against; "immune from taxation as long as he resided
          in Bermuda"; "immune from criminal prosecution"
       3: relating to or conferring immunity (to disease or infection)
          [syn: immune, resistant]
       4: (usually followed by `to') not affected by a given influence;
          "immune to persuasion"
       n 1: a person who is immune to a particular infection