adj 1 : not susceptible or responsive : esp : having a high degree of resistance to a disease < to diphtheria> 2 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> n : an immune individual .
to diphtheria> 2 a : having or producing antibodies or lymphocytes capable of reacting with a specific antigen <an 
