56 entries under noun topic. ×
| obstinacy | |
| obstruction | |
| opposition | |
| pucker | |
| rebellion | |
| rigor | |
| security | |
| solidity | |
| soundness | |
| stamina | |
| stoutness | |
| strength | |
| stubbornness | |
| sturdiness | |
| tenacity | |
| toughness |
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| APA | Smart Define. (2015). smoothness thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/smoothness/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "smoothness thesaurus" https://smartdefine.org/smoothness/thesaurus/antonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, smoothness thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/smoothness/thesaurus/antonyms>. |
| MLA | Smart Define. "smoothness thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/smoothness/thesaurus/antonyms> |