analgesic, analgetic 1. Relieving pain; an agent that alleviates pain without causing loss of consciousness. 2. A compound capable of producing analgesia, i.e., one that relieves pain by altering perception of pain stimuli without producing anesthesia or loss of consciousness; also, analgetic. 3. Characterized by reduced response to painful stimu... Found on http://www.wordinfo.info/words/index/info/view_unit/2743/3