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narcotic
narcotic A narcotic is an opioid-type drug, often synthetic and similar to opium-derived substances, that has pain-relieving effects.
A narcotic is an opioid-type drug, often synthetic and similar to opium-derived substances, that has pain-relieving effects. It works by attaching to opiate receptors and producing opiate-like effects on nerve cells and other body cells, influencing pain and behavior.