- Definitions|2
- Thesaurus|1.5k
- Abbreviations|0
54 entries under straightforward topic. ×
| platitudinous(adjective, dull, simple, flat, clean) | |
| plebeian(adjective, dull, simple, clean, plain) | |
| practicable(adjective, simple, flat, clean, plain) | |
| practical(adjective, simple, flat, clean, plain) | |
| prose(adjective, simple, flat, clean, plain) | |
| routine(adjective, dull, simple, clean, plain) | |
| square(adjective, dull, simple, flat, clean) | |
| stale(adjective, dull, simple, flat, clean) | |
| trite(adjective, dull, simple, plain, ordinary) | |
| unexceptional(adjective, dull, simple, clean, plain) | |
| uninspiring(adjective, dull, simple, flat, clean) | |
| workaday(adjective, simple, flat, clean, plain) | |
| yawn(adjective, simple, flat, clean, plain) | |
| matter-of- fact(expression, adjective, simple, flat, clean) |
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| APA | Smart Define. (2015). lackluster thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/lackluster/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "lackluster thesaurus" https://smartdefine.org/lackluster/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, lackluster thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/lackluster/thesaurus/synonyms>. |
| MLA | Smart Define. "lackluster thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/lackluster/thesaurus/synonyms> |