Synonyms|316Antonyms|1|Broader|13Narrower|9Related|84

45 entries under adjective topic. ×

1
stupefacient
1
stuporific
1
therapeutic(noun, medicine, treatment, drug)
1
tranquillizing
0
Lethean
0
allaying
0
balsamic
0
calming
0
chirurgical
0
colorless
0
confidentiality(dark, confidence, sedative, somniferous)
0
depressing
0
dull
0
dulling
0
harmless
0
hypnagogic
0
hypnogogic
0
innocent
0
insipid
0
nontoxic
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ChicagoSmart Define. 2015. "opiate thesaurus" https://smartdefine.org/opiate/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, opiate thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/opiate/thesaurus/synonyms>.
MLASmart Define. "opiate thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/opiate/thesaurus/synonyms>