- Definitions|2
- Thesaurus|915
- Abbreviations|0
30 entries under humdrum topic. ×
| lackluster(adjective, dull, light, weak, simple) | |
| drab(adjective, dull, simple, flat, excite) | |
| colorless(adjective, dull, beat, weak, simple) | |
| pedestrian(adjective, dull, simple, excite, clean) | |
| actual(adjective, simple, clean, plain, ordinary) | |
| banal(adjective, simple, flat, clean, plain) | |
| clean(adjective, simple, plain, ordinary, straightforward) | |
| diddly(adjective, bad, simple, clean, plain) | |
| garden-variety(adjective, simple, flat, clean, plain) | |
| hackneyed(adjective, simple, clean, plain, ordinary) | |
| ho-hum(adjective, dull, bad, simple, flat) | |
| irksome(adjective, simple, flat, clean, plain) | |
| lowly(adjective, simple, clean, plain, ordinary) | |
| matter-of- fact(expression, adjective, simple, clean, plain) | |
| matter of fact(expression, adjective, idiom, bad, clean) | |
| nothing(adjective, dull, simple, flat, clean) | |
| pabulum(adjective, dull, simple, flat, clean) | |
| platitudinous(adjective, simple, flat, clean, plain) | |
| plebeian(adjective, simple, clean, plain, ordinary) | |
| prose(adjective, simple, clean, plain, ordinary) |
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| APA | Smart Define. (2015). lusterless thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/lusterless/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "lusterless thesaurus" https://smartdefine.org/lusterless/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, lusterless thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/lusterless/thesaurus/synonyms>. |
| MLA | Smart Define. "lusterless thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/lusterless/thesaurus/synonyms> |