88 entries under dull topic. ×
| tarnished(adjective, dark, gloomy, faint) | |
| unilluminated(adjective, dark, gloomy, faint) | |
| vaporous(obscure, gloomy, dim, gray) | |
| blah(adjective, dark, gloomy, faint) | |
| weak(adjective, simple, slow, dark) | |
| darkish(adjective, dark, gloomy, faint) | |
| slow on uptake(expression, adjective, idiom, insensitive) | |
| uncomprehending(adjective, insensitive, stolid, simple-minded) |
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| APA | Smart Define. (2016). opaque thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/opaque/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "opaque thesaurus" https://smartdefine.org/opaque/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, opaque thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/opaque/thesaurus/synonyms>. |
| MLA | Smart Define. "opaque thesaurus" 29 February 2016. Web. 27 September 2026. <https://smartdefine.org/opaque/thesaurus/synonyms> |