Wiktionary
unsusceptible
a. Not susceptible.
WordNet
unsusceptible
adj. not susceptible to [syn: insusceptible] [ant: susceptible]
Usage examples of "unsusceptible".
In order fully to comprehend his unwearied persecution of Glendower, it must constantly be remembered that to this persecution he was bound by a necessity which, urgent, dark, and implicating life itself, rendered him callous to every obstacle and unsusceptible of all remorse.