Main Entry: in·sus·cep·ti·ble Pronunciation: "in(t)-s&-'sep-t&-b&l Function: adjective : not susceptible<insusceptible to disease> —in·sus·cep·ti·bil·i·ty/-"sep-t&-'bil-&t-E/nounplural-ties
insusceptibility in·sus·cep·ti·bil·i·ty (ĭn'sə-sěp'tə-bĭl'ĭ-tē) n. The state or condition of not being susceptible to a disease or infection; immunity.