- Definitions|1
- Thesaurus|618
- Abbreviations|0
174 entries under adjective topic. ×
| assiduous(persistent, continuous) | |
| unwearied(strong, continue, firm, energetic) | |
| diligent(persistent, persevering, tenacious) | |
| energetic(determined, active, vigorous, full) | |
| fixed | |
| inexhaustible(strong, continue, firm, energetic) | |
| obstinate | |
| persisting | |
| undeviating(persistent, perseverance) | |
| unremitting(strong, firm, energetic, determined) | |
| faithful(firm, certain, cheerful, comfortable) | |
| firm(strong, tough, fit, solid) | |
| industrious(strong, difficult, energetic, lively) | |
| loyal(strong, firm, certain, constant) | |
| undaunted | |
| unflinching(set, strong, firm, energetic) | |
| dynamic(strong, moving, lively, active) | |
| enduring(set, strong, steady, constant) | |
| indomitable(strong, firm, determined, steady) | |
| pertinacious(strong, firm, energetic, determined) |
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| APA | Smart Define. (2015). unflagging thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unflagging/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unflagging thesaurus" https://smartdefine.org/unflagging/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, unflagging thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unflagging/thesaurus/synonyms>. |
| MLA | Smart Define. "unflagging thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/unflagging/thesaurus/synonyms> |