Synonyms|37Antonyms|0|Broader|0Narrower|0Related|30
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actinically
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air tight(expression, idiom, closure)
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deep
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deeply
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esoterically
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impassively
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impenetrably
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intensely
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mysteriously
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profoundly
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reconditely
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secretly
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snug
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strongly
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tight
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unventilated
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water tight(expression, idiom, closure)
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APASmart Define. (2013). hermetically thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/hermetically/thesaurus/synonyms
ChicagoSmart Define. 2013. "hermetically thesaurus" https://smartdefine.org/hermetically/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, hermetically thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/hermetically/thesaurus/synonyms>.
MLASmart Define. "hermetically thesaurus" 17 June 2013. Web. 21 September 2026. <https://smartdefine.org/hermetically/thesaurus/synonyms>