58 entries under dull topic. ×
| low(adjective, simple, moderate, slow) | |
| moderate(adjective, quiet, low, modest) | |
| prolonged(adjective, moderate, low, stiff) | |
| protracted(adjective, moderate, low, stiff) | |
| reduced(adjective, moderate, low, stiff) | |
| tame(adjective, moderate, low, stiff) | |
| tedious(simple, slow, boring, dim) | |
| time-consuming(adjective, moderate, low, stiff) | |
| unproductive(adjective, moderate, low, stiff) | |
| dead(late, behind) | |
| dimwitted(adjective, simple, silly, stupid) | |
| gradual(adjective, moderate, low, stiff) | |
| inactive(late, behind) | |
| long-delayed(adjective, moderate, low, stiff) | |
| off(late, behind) | |
| sleepy(late, behind) | |
| stiff(late, behind) | |
| uneventful(late, behind) |
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| APA | Smart Define. (2016). backward thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/backward/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "backward thesaurus" https://smartdefine.org/backward/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, backward thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/backward/thesaurus/synonyms>. |
| MLA | Smart Define. "backward thesaurus" 23 March 2016. Web. 26 September 2026. <https://smartdefine.org/backward/thesaurus/synonyms> |