182 entries under dull topic. ×
| irksome(adjective, simple, flat, plain) | |
| long-winded(adjective, boring, tedious) | |
| matte(adjective, weak, soft, obscure) | |
| not alive(expression, cold, lifeless, nonliving) | |
| nothing(adjective, simple, flat, plain) | |
| nowhere(adjective, simple, plain, stupid) | |
| obscure(adjective, soft, flat, dark) | |
| pabulum(adjective, simple, flat, clean) | |
| platitudinous(adjective, hard, simple, plain) | |
| plebeian(adjective, simple, flat, plain) | |
| prolonged(adjective, late, behind) | |
| protracted(late, behind) | |
| reduced(late, behind) | |
| regular(adjective, quiet, flat, slow) | |
| repetitive(adjective, flat, stupid, ordinary) | |
| stolid(adjective, quiet, flat, slow) | |
| threadbare(adjective, hard, flat, stupid) | |
| timeworn(adjective, hard, old, sour) | |
| unoriginal(adjective, hard, dry, bare) | |
| unprogressive(late, behind) |
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| APA | Smart Define. (2016). dead thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/dead/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "dead thesaurus" https://smartdefine.org/dead/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, dead thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/dead/thesaurus/synonyms>. |
| MLA | Smart Define. "dead thesaurus" 18 March 2016. Web. 25 September 2026. <https://smartdefine.org/dead/thesaurus/synonyms> |