198 entries under adjective topic. ×
| roily | |
| unlit(dull, soft, obscure, flat) | |
| atramentous(dull, dark, gloomy, dim) | |
| blackish(dull, dark, gloomy, dim) | |
| crass | |
| difficult | |
| ill-defined(dull, dark, gloomy, faint) | |
| ill-lighted(dull, dark, gloomy, dim) | |
| imperceptive(dull, hard, obscure, difficult) | |
| impermeable | |
| imprecise | |
| incoherent | |
| inconceivable(unfathomable, impenetrable, unintelligible, puzzling) | |
| inexplicit(obscure, uncertain, vague, unclear) | |
| inscrutable | |
| lurid(dull, dark, gloomy, dim) | |
| lusterless(muddy, clouded) | |
| matte(soft, obscure, flat, dark) | |
| obfuscous(dull, obscure, dark, gloomy) | |
| pitch-black(dull, dark, gloomy, dim) |
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| APA | Smart Define. (2016). opaque thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/opaque/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "opaque thesaurus" https://smartdefine.org/opaque/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, opaque thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/opaque/thesaurus/synonyms>. |
| MLA | Smart Define. "opaque thesaurus" 29 February 2016. Web. 25 September 2026. <https://smartdefine.org/opaque/thesaurus/synonyms> |