Synonyms|36Antonyms|0|Broader|0Narrower|0Related|0
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imaginary(obscure, vague)
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indistinct(obscure, vague)
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indistinguishable(obscure, vague)
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murky
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nebulous
0
overcast
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sombre
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subfusc
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subfuscous
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tenebrous
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unclear(obscure, vague)
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unlit
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unsubstantial(obscure, vague)
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vague
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veiled
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visionary(obscure, vague)
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APASmart Define. (2015). umbral thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/umbral/thesaurus/synonyms
ChicagoSmart Define. 2015. "umbral thesaurus" https://smartdefine.org/umbral/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, umbral thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/umbral/thesaurus/synonyms>.
MLASmart Define. "umbral thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/umbral/thesaurus/synonyms>