- Definitions|2
- Thesaurus|729
- Abbreviations|0
196 entries under adjective topic. ×
| purposeful | |
| responsible(good, honest, sensible, solid) | |
| straight(open, honest, solid, certain) | |
| strong(good, firm, honest, solid) | |
| tried-and-true(good, strong, honest, solid) | |
| true-blue(good, strong, open, honest) | |
| unaltered(uniform, unchanging, unchanged) | |
| undeviating(regular, even, constant, rigid) | |
| unflinching(set, strong, firm, determined) | |
| uniform(set, regular, fixed, even) | |
| unlimited(certain, unchanging) | |
| agreeable(sound, even, flawless, uniform) | |
| believable(open, honest, sensible, solid) | |
| bottomless(certain, unchanging) | |
| come-through(certain, reliable, trustworthy, unchanging) | |
| confirmed | |
| conscientious(good, strong, consistent, trustworthy) | |
| continued(strong, firm, determined, steady) | |
| counted on(certain, unchanging) | |
| credible(open, honest, sensible, solid) |
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| APA | Smart Define. (2016). unfailing thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unfailing/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "unfailing thesaurus" https://smartdefine.org/unfailing/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, unfailing thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unfailing/thesaurus/synonyms>. |
| MLA | Smart Define. "unfailing thesaurus" 3 March 2016. Web. 29 September 2026. <https://smartdefine.org/unfailing/thesaurus/synonyms> |