16 entries under featurelessness topic. ×
| unimportance | |
| achromatism(noun, colour, color) | |
| atonicity(noun, medicine, colour, color) | |
| colorlessness(noun, colour, color) | |
| colourlessness(noun, colour, color) | |
| deadness(noun, colour, color) | |
| dullness(noun, colour, color) | |
| monotony(noun, colour, color) | |
| platitude(noun, colour, color) | |
| achromaticity(noun, colour, color) | |
| inconsequence | |
| inconsequentiality | |
| inconsequentialness | |
| indifference | |
| insignificance | |
| insignificancy |
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| APA | Smart Define. (2016). tone thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/tone/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "tone thesaurus" https://smartdefine.org/tone/thesaurus/antonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, tone thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/tone/thesaurus/antonyms>. |
| MLA | Smart Define. "tone thesaurus" 29 February 2016. Web. 24 September 2026. <https://smartdefine.org/tone/thesaurus/antonyms> |