opiate
[adjective]
Synonyms: soporific, hypnotic, narcotic, sleepy, somnifacient, somniferous, somnific, somnorific, soporiferous, soporifical
[noun]
Synonyms: drug, dope, hop, narcotic, anodyne, nepenthe

[TahlilGaran] English Synonym Dictionary ▲

o‧pi‧ate /ˈəʊpiət, ˈəʊpiɪt, -eɪt $ ˈoʊ-/ noun [countable]
[Date: 1400-1500; Language: Medieval Latin; Origin: opiatus, from Latin opium; ⇒ opium]

1. a drug that contains opium. Opiates can be used to reduce severe pain and help people to sleep.

2. something that makes people stop thinking about the problems in their lives so that they stop trying to make their lives better – used to show disapproval:
Hollywood movies were seen as an opiate for the people.

[TahlilGaran] Dictionary of Contemporary English ▲