Anesthetic (adjective)

1. Relating to or causing loss of sensation or feeling, particularly in a certain part of the body.
2. Relating to or inducing a state of unconsciousness or insensitivity to pain, as by drugs or other means, for the purpose of surgery or other medical procedures.

Origin:

From new latin anesthesius "insensible", from greek an- "without" + aisthēsis "sensation".

Examples:

1. An anesthetic cream was applied to the affected area to reduce pain.
2. The anesthetic was administered to the patient before the procedure.
3. An anesthetic gas was used to put the patient to sleep.
4. The anesthetic properties of the drug made it useful for surgical procedures.
5. The anesthetic effect of the injection was quick and efficient.