- Definitions|3
- Thesaurus|612
- Abbreviations|0
139 entries under noun topic. ×
| dullness(excite, weakness, depression, melancholy) | |
| boredom(melancholy, routine, dullness, discontent) | |
| insipidity(dull, excite, depression, lack) | |
| monotony(dull, melancholy, routine, dullness) | |
| vapidity(dull, excite, depression, lack) | |
| evenness(dull, routine, dullness, commonplace) | |
| dryness(excite, depression, lack, routine) | |
| dreariness(excite, lack, routine, dullness) | |
| languor | |
| lethargy(melancholy, dullness, apathy, indifference) | |
| lusterlessness | |
| mat | |
| mildness(weakness, routine, dullness, slowness) | |
| tedium(melancholy, routine, dullness, apathy) | |
| uniformity(routine, dullness, consistency, smoothness) | |
| weakness | |
| blandness(excite, weakness, depression, lack) | |
| levelness(routine, dullness, consistency, smoothness) | |
| matt | |
| plainness(weakness, dullness, boredom, tastelessness) |
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| APA | Smart Define. (2015). flatness thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/flatness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "flatness thesaurus" https://smartdefine.org/flatness/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, flatness thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/flatness/thesaurus/synonyms>. |
| MLA | Smart Define. "flatness thesaurus" 15 June 2015. Web. 23 September 2026. <https://smartdefine.org/flatness/thesaurus/synonyms> |