Synonyms|370Antonyms|77|Broader|25Narrower|77Related|376

25 entries under sleep topic. ×

-1
junk(noun, informal)
-1
laudanum
-1
opium
-1
tranquilizer
-2
heroin(noun, smack)
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APASmart Define. (2015). narcotic thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/narcotic/thesaurus/synonyms
ChicagoSmart Define. 2015. "narcotic thesaurus" https://smartdefine.org/narcotic/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, narcotic thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/narcotic/thesaurus/synonyms>.
MLASmart Define. "narcotic thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/narcotic/thesaurus/synonyms>