276 entries under adjective topic. ×
| persistent(strain, certain, stable, regular) | |
| consistent(change, strain, certain, ordinary) | |
| stable(quiet, soft, gentle, strain) | |
| firm(calm, strong, secure, strain) | |
| constant(calm, change, strong, secure) | |
| strong(strain, firmness, labour, hardiness) | |
| unfluctuating(calm, strong, secure, strain) | |
| hard(strain, firmness, labour, hardiness) | |
| sound(strain, firmness, labour, hardiness) | |
| steady(calm, quiet, strong, secure) | |
| stiff(strain, firmness, labour, hardiness) | |
| permanent(calm, strong, secure, strain) | |
| unalterable(calm, strong, secure, strain) | |
| unvarying(calm, quiet, strong, secure) | |
| rigid(severe, strain, fixed, stiff) | |
| unchanging(change, severe, firm, harsh) | |
| perpetual(strain, steady, stable, regular) | |
| steadfast(calm, strong, secure, strain) | |
| lasting(calm, strong, secure, strain) | |
| enduring(calm, strong, secure, strain) |
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| APA | Smart Define. (2015). invariable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/invariable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "invariable thesaurus" https://smartdefine.org/invariable/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, invariable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/invariable/thesaurus/synonyms>. |
| MLA | Smart Define. "invariable thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/invariable/thesaurus/synonyms> |