- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
319 entries under noun topic. ×
| dull(adjective, grayness) | |
| dusk(shade, darkness, dimness) | |
| emotionlessness(disregard, apathy, indifference, calmness) | |
| fatigue(melancholy, apathy, indifference, discontent) | |
| gray | |
| impassivity(disregard, apathy, inactivity, indifference) | |
| insentience | |
| monotonousness(routine, tedium, monotony, flatness) | |
| passiveness(disregard, apathy, inactivity, indifference) | |
| somnolence(inactivity, lethargy, daze, slumber) | |
| staleness(routine, slowness, tedium, feebleness) | |
| sterility(excite, lack, routine, slowness) | |
| thick-wittedness | |
| tiresomeness(melancholy, routine, apathy, indifference) | |
| unresponsiveness(disregard, apathy, inactivity, indifference) | |
| ashiness | |
| benumbedness | |
| blandness(excite, weakness, depression, lack) | |
| brainlessness | |
| callousness |
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| APA | Smart Define. (2016). dullness thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/dullness/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "dullness thesaurus" https://smartdefine.org/dullness/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, dullness thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/dullness/thesaurus/synonyms>. |
| MLA | Smart Define. "dullness thesaurus" 31 March 2016. Web. 29 September 2026. <https://smartdefine.org/dullness/thesaurus/synonyms> |