- Definitions|2
- Thesaurus|1.5k
- Abbreviations|0
269 entries under adjective topic. ×
| ashy(pale, white, colorless) | |
| dingy(dull, dark, gloomy, faint) | |
| dry(dull, simple, flat, excite) | |
| faint(dull, mean, weak, thin) | |
| leaden(dull, lifeless) | |
| muddy | |
| muted(dull, dark, gloomy, faint) | |
| obscure(dull, dim, lifeless) | |
| pallid(mean, weak, thin, ill) | |
| somber(blue, sad, depression, woe) | |
| spiritless(dull, excite, sad, boring) | |
| tedious(dull, simple, flat, plain) | |
| toneless | |
| unimaginative(dull, simple, excite, plain) | |
| blah(dull, simple, flat, low) | |
| blind(dull, lifeless) | |
| expressionless | |
| gloomy(dull, blue, sad, dark) | |
| hueless | |
| insipid(dull, weak, dry, boring) |
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| APA | Smart Define. (2015). lackluster thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/lackluster/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "lackluster thesaurus" https://smartdefine.org/lackluster/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, lackluster thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/lackluster/thesaurus/synonyms>. |
| MLA | Smart Define. "lackluster thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/lackluster/thesaurus/synonyms> |