- Definitions|3
- Thesaurus|8.6k
- Abbreviations|0
225 entries under flat topic. ×
| tasteless(adjective, hard, weak, rough) | |
| tired(adjective, set, beat, hard, weak) | |
| unfeeling(noun, adjective, calm, tough, severe) | |
| unresponsive(adjective, calm, quiet, slow) | |
| blank(adjective, quiet, heavy, stupid) | |
| lackadaisical(adjective, low, sad, careless) | |
| lackluster(adjective, light, simple, excite) | |
| languorous(adjective, low, sad, slow) | |
| low(adjective, quiet, bad, weak, soft) | |
| stuffy(adjective, excite, warm, heavy) | |
| subdued(adjective, calm, quiet, weak, kind) | |
| wooden(adjective, quiet, cold, heavy) | |
| depressed(adjective, quiet, bad, low) | |
| lusterless(adjective, beat, light, simple) | |
| passive(adjective, calm, careless, indifferent) | |
| usual(adjective, ordinary, boring, uninteresting, quiet) | |
| down(adjective, bad, increase, simple) | |
| frigid(adjective, calm, cold, unemotional) | |
| grimy(adjective, dark, gloomy, dirty) | |
| neutral(adjective, grim, pale, sluggish) |
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| APA | Smart Define. (2016). dull thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/dull/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "dull thesaurus" https://smartdefine.org/dull/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, dull thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/dull/thesaurus/synonyms>. |
| MLA | Smart Define. "dull thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/dull/thesaurus/synonyms> |