opioid

US /ˈoʊ.piˌɔɪd/

UK /ˈoʊ.piˌɔɪd/

1.

a compound resembling opium in addictive properties or physiological effects.

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Many people become addicted to opioids after being prescribed them for pain.

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The doctor warned about the risks of long-term opioid use.

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narcotic opiate

1.

relating to or denoting opioids.

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The clinic specializes in treating opioid addiction.

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There is a growing concern about the opioid crisis.