582 entries under adjective topic. ×

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inaccessible(difficult, remote, faraway, secluded)
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inconsequential(lower, inferior, minor, junior)
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inexplicable(hard, solid, dark, uncertain)
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inky(dull, dark, gloomy, dim)
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morose(sadness, gloom, unclear)
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oracular(dark, strange, uncertain, doubtful)
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rayless(dull, dark, gloomy, dim)
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shaded(dull, dark, gloomy, dim)
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solitary(near, isolated, reclusive, uncompanionable)
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sombre(dull, flat, dark, gloomy)
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sooty(dull, soft, flat, dark)
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thick(dull, solid, dim, dense)
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ulterior(cover, secret, unknown, hidden)
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unspecified(rough, strange, vague, mysterious)
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weak(dark, unreasonable, dim, pale)
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chaotic(rough, chaotic, disorganized, unformed)
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clear as mud(expression, idiom, unintelligibility, understood)
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elusive(vague, subtle, hazy, indistinct)
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enigmatical(hard, solid, uncertain, indefinite)
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far-off(weak, strange, distant, remote)
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APASmart Define. (2016). obscure thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/obscure/thesaurus/synonyms
ChicagoSmart Define. 2016. "obscure thesaurus" https://smartdefine.org/obscure/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, obscure thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/obscure/thesaurus/synonyms>.
MLASmart Define. "obscure thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/obscure/thesaurus/synonyms>