- Definitions|1
- Thesaurus|760
- Abbreviations|0
312 entries under adjective topic. ×
| definite(clear, complete, firm, total) | |
| immovable(firm, solid, stable, fixed) | |
| industrious | |
| inexhaustible(strong, firm, energetic, determined) | |
| inflexible(strong, firm, certain, limited) | |
| persuaded(clear, certain, definite, unquestionable) | |
| regular(firm, solid, steady, stable) | |
| rigid(intense, resolute, persistent, unqualified) | |
| solid(firm, steady, stable, fixed) | |
| strong(firm, determined, steady, bold) | |
| strong-willed(firm, intense, deliberate, determined) | |
| trusty(reliable, steadfast, loyal, faithful) | |
| unblinking(certain, limited, definite, inflexible) | |
| unremitting(strong, firm, energetic, determined) | |
| unshrinking(bold, unconcerned, brave, steadfast) | |
| unsleeping | |
| vigorous | |
| absolute(complete, total, prompt, big) | |
| assertive | |
| bent on(expression, serious, resolute, persistent) |
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| APA | Smart Define. (2015). unfaltering thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unfaltering/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unfaltering thesaurus" https://smartdefine.org/unfaltering/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, unfaltering thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unfaltering/thesaurus/synonyms>. |
| MLA | Smart Define. "unfaltering thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/unfaltering/thesaurus/synonyms> |