Synonyms|132Antonyms|0|Broader|0Narrower|0Related|5
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secretness(dark, confidence, sedative)
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silence(dark, confidence, sedative)
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sleepyhead(adjective, sleepy)
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slumbersome(adjective, sleepy)
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solitude(dark, confidence, sedative)
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stealth(dark, confidence, sedative)
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suppression(dark, confidence, sedative)
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surreptitiousness(dark, confidence, sedative, confidentiality, somniferous)
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tranquilization(noun, appeasement)
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trite remark(noun, expression, corn, triteness)
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triteness(noun, corn)
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yawning(adjective, sleepy)
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APASmart Define. (2015). somnifacient thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/somnifacient/thesaurus/synonyms
ChicagoSmart Define. 2015. "somnifacient thesaurus" https://smartdefine.org/somnifacient/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, somnifacient thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/somnifacient/thesaurus/synonyms>.
MLASmart Define. "somnifacient thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/somnifacient/thesaurus/synonyms>