617 entries under adjective topic. ×
| impregnable(strain, firmness, labour, hardiness) | |
| non-fluctuating(strain, firmness, labour, hardiness) | |
| tight(strain, firmness, labour, hardiness) | |
| resolute(calm, close, strong, secure) | |
| devoted(good, close, strong, kind) | |
| non-stop | |
| unfailing(good, change, strong, continue) | |
| abiding(calm, strong, secure, tough) | |
| determined(good, strong, flat, firm) | |
| habitual(reasonable, common, ordinary, usual) | |
| perennial(stable, continuous, stability, enduring) | |
| persevering(strong, flat, firm, certain) | |
| relentless(continue, firm, determined, steady) | |
| unflagging(strong, firm, certain, determined) | |
| even(adverb, calm, strong, sound) | |
| never-ending(steady, continuous, endless, infinite) | |
| unchangeable(calm, strong, secure, moderate) | |
| unfaltering(strong, firm, solid, certain) | |
| unswerving(close, strong, correct, firm) | |
| frequent(common, usual, steady, regular) |
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| APA | Smart Define. (2016). constant thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/constant/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "constant thesaurus" https://smartdefine.org/constant/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, constant thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/constant/thesaurus/synonyms>. |
| MLA | Smart Define. "constant thesaurus" 12 February 2016. Web. 23 September 2026. <https://smartdefine.org/constant/thesaurus/synonyms> |