104 entries under unclear topic. ×

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cloudy(indistinct, indistinguishable)
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dim(indistinct, indistinguishable)
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dreamlike(indistinct, indistinguishable)
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faint(doubtful, indistinct, indistinguishable, improbable)
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formless(indistinct, indistinguishable)
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generalized(indistinct, indistinguishable)
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impalpable(indistinct, indistinguishable)
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indeterminable(adjective, vague, unknown, general)
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indistinguishable
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inexhaustible(adjective, vague, unknown, general)
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inexplicable(indistinct, indistinguishable)
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infinite(adjective, vague, unknown, general)
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innumerable(adjective, vague, unknown, general)
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intangible(adjective, vague, unknown, general)
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lax(indistinct, indistinguishable)
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misunderstood(indistinct, indistinguishable)
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multivocal(uncertain, vague)
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opaque(uncertain, vague)
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polysemous(uncertain, vague)
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superficial(indistinct, indistinguishable)
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APASmart Define. (2016). dubious thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/dubious/thesaurus/synonyms
ChicagoSmart Define. 2016. "dubious thesaurus" https://smartdefine.org/dubious/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, dubious thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/dubious/thesaurus/synonyms>.
MLASmart Define. "dubious thesaurus" 4 March 2016. Web. 29 September 2026. <https://smartdefine.org/dubious/thesaurus/synonyms>