- Definitions|1
- Thesaurus|191
- Abbreviations|0
64 entries under adverb topic. ×
| to be sure(expression, idiom, absolutely, certainly) | |
| unceasingly | |
| undoubtedly(absolutely, certainly, clearly, perfectly) | |
| unequivocally(absolutely, certainly, clearly, definitely) | |
| unmistakably(absolutely, certainly, clearly, definitely) | |
| unquestionably(absolutely, certainly, clearly, perfectly) | |
| unswervingly | |
| without doubt(expression, absolutely, certainly, clearly) | |
| faultlessly(perfectly, always, reliably, dependably) | |
| indisputably(unquestionably, undeniably, indubitably, conclusively) | |
| permanently | |
| positively | |
| really(certainly, definitely, indeed, undoubtedly) | |
| regularly | |
| safely | |
| securely | |
| stably | |
| truly(constantly, dependably) | |
| unchangingly | |
| undeniably(certainly, definitely, indeed, unquestionably) |
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| APA | Smart Define. (2013). unfailingly thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unfailingly/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "unfailingly thesaurus" https://smartdefine.org/unfailingly/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2013, unfailingly thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unfailingly/thesaurus/synonyms>. |
| MLA | Smart Define. "unfailingly thesaurus" 17 June 2013. Web. 24 September 2026. <https://smartdefine.org/unfailingly/thesaurus/synonyms> |