[im.mune] adj [ME, fr. L immunis, fr. in- + munia services, obligations; akin to L munus service--more at mean] (15c) 1 a: free, exempt "~ from further taxation" b: marked by protection "some criminal leaders are ~ from arrest"
2: not susceptible or responsive "~ to all pleas"; esp: having a high degree of resistance to a disease "~ to diphtheria" 3 a: having or producing antibodies or lymphocytes capable of reacting with a specific antigen "an ~ serum" b: produced by, involved in, or concerned with immunity or an immune response "~ agglutinins" "~ globulins" -- immune n