anesthetic

Causing anesthesia; reducing pain sensitivity.CanadaUS

Insensate: unable to feel, or unconscious.CanadaUS

• (I find that he is analgesic and anaesthetic; evidently he is in a state of passive somnambulism.) E. A. Did you feel anybody touch you? K. No. There's no one near me. (He continues laughing and talking. […])
• Though physically capable of attaining sex rewards, he is anesthetic; though capable of aggression, he is meek; though capable of affection, he is cold and unresponsive.

A substance administered to reduce the perception of pain or to induce numbness for surgery and may render the recipient unconscious.CanadaUS

• After a local anesthetic is applied to the eye, do not rub or wipe the eye until the anesthetic has worn off and feeling in the eye returns.