- Definitions|1
- Thesaurus|191
- Abbreviations|0
64 entries under adverb topic. ×
| forever(always, ever, constantly, continually) | |
| infallibly(absolutely, certainly, clearly, definitely) | |
| invariably(uniformity, perpetually) | |
| surely(absolutely, clearly, plainly, constantly) | |
| consistently(faithfully, dependably) | |
| constantly | |
| continually | |
| staunchly | |
| unerringly(absolutely, certainly, clearly, definitely) | |
| beyond shadow of doubt(expression, idiom, absolutely, certainly) | |
| certainly | |
| come what may(expression, idiom, absolutely, certainly) | |
| faithfully | |
| fixedly(absolutely, certainly, clearly, definitely) | |
| inexhaustibly | |
| irrefutably(absolutely, certainly, clearly, definitely) | |
| rain or shine(expression, idiom, absolutely, certainly) | |
| reliably | |
| unshakably(absolutely, certainly, clearly, definitely) | |
| with certainty(expression, absolutely, certainly, clearly) |
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| APA | Smart Define. (2013). unfailingly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unfailingly/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "unfailingly thesaurus" https://smartdefine.org/unfailingly/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2013, unfailingly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unfailingly/thesaurus/synonyms>. |
| MLA | Smart Define. "unfailingly thesaurus" 17 June 2013. Web. 22 September 2026. <https://smartdefine.org/unfailingly/thesaurus/synonyms> |