painkiller
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painkiller
(pān′kĭl′ər)n.
An agent, such as an analgesic drug, that relieves pain.
pain′kill′ing adj.
painkiller
, pain killer (pān′kil″ĕr)A colloquial term for a medication or a procedure that decreases a patient's discomfort caused by pain or alleviates hurtful or unpleasant sensations.