In`sus*cep`ti*ble (?), a. [Pref. in- not + susceptible: cf. F. insusceptible.]
Not susceptible; not capable of being moved, affected, or impressed; that can not feel, receive, or admit; as, a limb insusceptible of pain; a heart insusceptible of pity; a mind insusceptible to flattery.
© Webster 1913.