- Definitions|2
- Thesaurus|791
- Abbreviations|0
| recalcitrant(adjective, determined, fixed, persistent, obstinate) | |
| rocky | |
| secure | |
| serious(adjective, strong, firm, determined, resolute) | |
| spirited | |
| thorough(adjective, resolute) | |
| unalarmed(adjective, bold, courage, unconcerned, brave) | |
| unalterable(strong, certain, determined, definite, fixed) | |
| undiscouraged(adjective, bold, unconcerned, brave, steadfast) | |
| undrooping | |
| unfailing(adjective, set, strong, firm, determined) | |
| unflappable | |
| unmanageable(adjective, determined, fixed, persistent, obstinate) | |
| unmoved(adjective, determined, fixed, stubborn) | |
| unremitting(adjective, strong, firm, energetic, determined) | |
| unwearied(adjective, strong, firm, energetic, determined) | |
| unwearying | |
| venturesome | |
| abiding(adjective, strong, flat, certain, determined) | |
| adventurous |
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| APA | Smart Define. (2015). unflinching thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unflinching/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unflinching thesaurus" https://smartdefine.org/unflinching/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, unflinching thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unflinching/thesaurus/synonyms>. |
| MLA | Smart Define. "unflinching thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/unflinching/thesaurus/synonyms> |