198 entries under adjective topic. ×
| equivocal(hard, obscure, difficult, uncertain) | |
| faint(dull, obscure, dark, gloomy) | |
| fuzzy(dull, obscure, flat, dark) | |
| smoky(muddy, clouded) | |
| baffling | |
| puzzling(obscure, uncertain, vague, indefinite) | |
| shady(dull, dark, gloomy, dim) | |
| somber(dull, soft, obscure, flat) | |
| sunless(dull, dark, gloomy, dim) | |
| unintelligent(dull, silly, foolish, stupid) | |
| drab(dull, soft, obscure, flat) | |
| blind(soft, obscure, flat, dark) | |
| darkened(dull, dark, gloomy, dim) | |
| deep(set, solid, heavy, doubtful) | |
| dirty(muddy, clouded) | |
| indeterminate(obscure, uncertain, vague, unclear) | |
| milky(white, cloudy) | |
| mysterious | |
| mystifying(unfathomable, impenetrable, unintelligible, puzzling) | |
| nubilous(hard, gloomy, gray, dense) |
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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> |