Synonyms|87Antonyms|16|Broader|0Narrower|0Related|49
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mystery(dark, confidence, sedative)
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privacy(dark, confidence, sedative)
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reticence(dark, confidence, sedative)
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retirement(dark, confidence, sedative)
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seclusion(dark, confidence, sedative)
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secretiveness(dark, confidence, sedative)
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secretness(dark, confidence, sedative)
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silence(dark, confidence, sedative)
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sleep-inducing(adjective, sleep)
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sleep inducing(expression, idiom)
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sleepful
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slumbrous
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solitude(dark, confidence, sedative)
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soporous
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statuvolent
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statuvolic
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stealth(dark, confidence, sedative)
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stupid
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suppression(dark, confidence, sedative)
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surreptitiousness(dark, confidence, sedative, confidentiality, somnifacient)
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APASmart Define. (2015). somniferous thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/somniferous/thesaurus/synonyms
ChicagoSmart Define. 2015. "somniferous thesaurus" https://smartdefine.org/somniferous/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, somniferous thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/somniferous/thesaurus/synonyms>.
MLASmart Define. "somniferous thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/somniferous/thesaurus/synonyms>