opioidnoun [ C ]
uk/ˈəʊ.pi.ɔɪd/us/ˈoʊ.piˌɔɪd/specializedany drug that has an effect similar to opium, such as morphine:
Constipation is the most common side effect of any opioid.
Thesaurus: synonyms and related words
Specific types of drug
- amyl nitrite
- antiretroviral
- aphrodisiac
- blunt
- cisplatin
- coke
- corticosteroid
- designer drug
- downer
- hash
- junk
- marijuana
- mickey
- mind-altering
- narcotic
- non-addictive
- pep pill
- popper
- stimulant
- weed
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