- Definitions|1
- Thesaurus|693
- Abbreviations|0
217 entries under adjective topic. ×
| immutable(calm, strong, hard, secure) | |
| steady(calm, strong, secure, strain) | |
| durable(strain, firmness, stability, labour) | |
| fast(strain, firmness, labour, hardiness) | |
| long-standing(strain, firmness, labour, hardiness) | |
| perpetual(strain, steady, stable, regular) | |
| refractory(hard, strain, rough, harsh) | |
| stabile(calm, strong, secure, strain) | |
| stationary(strain, firmness, labour, hardiness) | |
| stout(strain, firmness, labour, hardiness) | |
| substantial(strain, firmness, labour, hardiness) | |
| sustained(strain, firmness, persistent, continuous) | |
| well-balanced(strain, firmness, even, labour) | |
| unchanging(severe, firm, harsh, solid) | |
| changeless | |
| inflexible(set, strong, hard, secure) | |
| inalterable(inflexible, changeable, flexible) | |
| irrevocable(change, set, fixed, necessary) | |
| irreversible(change, complete, fixed, even) | |
| certain(definite, fixed, distinct, rigid) |
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| APA | Smart Define. (2015). unalterable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unalterable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unalterable thesaurus" https://smartdefine.org/unalterable/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, unalterable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unalterable/thesaurus/synonyms>. |
| MLA | Smart Define. "unalterable thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/unalterable/thesaurus/synonyms> |