- Definitions|3
- Thesaurus|8.6k
- Abbreviations|0
225 entries under flat topic. ×
| boring(adjective, dreary, colorless, tedious, drab) | |
| dim(verb, adjective, action, characteristic, quiet) | |
| uninteresting(adjective, boring, tedious, dreary, monotonous) | |
| slow(verb, adjective, stop, upset, trouble) | |
| prosaic(adjective, set, weak, simple, tough) | |
| stupid(adjective, simple, rough, slow) | |
| drab(adjective, characteristic, hard, weak, simple) | |
| dead(adjective, hard, weak, simple) | |
| gloomy(adjective, characteristic, bad, obscure) | |
| lifeless(adjective, calm, weak, simple, tough) | |
| insipid(adjective, hard, light, weak, kind) | |
| sluggish(adjective, calm, increase, weak) | |
| bland(adjective, quiet, weak, kind, soft) | |
| dry(adjective, calm, hard, simple, tough) | |
| torpid(adjective, quiet, low, sad) | |
| vapid(adjective, boring, uninteresting, tedious) | |
| dingy(adjective, characteristic, dark, gloomy) | |
| leaden(adjective, quiet, severe, slow) | |
| commonplace(noun, adjective, set, hard, simple) | |
| jejune(noun, adjective, set, weak, kind) |
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| APA | Smart Define. (2016). dull thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/dull/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "dull thesaurus" https://smartdefine.org/dull/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, dull thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/dull/thesaurus/synonyms>. |
| MLA | Smart Define. "dull thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/dull/thesaurus/synonyms> |