49 entries under noun topic. ×
| fixedness | |
| fixity | |
| fortitude | |
| hardiness | |
| hardness | |
| harmony | |
| immovability | |
| inflexibility | |
| mettle | |
| obduracy | |
| obstinacy | |
| permanency | |
| persistence | |
| reliability | |
| resoluteness | |
| resolution | |
| rigidity | |
| solidity | |
| solidness | |
| soundness |
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| APA | Smart Define. (2015). fluctuation thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/fluctuation/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "fluctuation thesaurus" https://smartdefine.org/fluctuation/thesaurus/antonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, fluctuation thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/fluctuation/thesaurus/antonyms>. |
| MLA | Smart Define. "fluctuation thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/fluctuation/thesaurus/antonyms> |