- Definitions|2
- Thesaurus|899
- Abbreviations|0
43 entries under steadfast topic. ×
| invulnerable(adjective, unyielding) | |
| unfaltering(adjective, strong, firm, determined, steady) | |
| valiant(adjective, strong, tough, determined, vigorous) | |
| ruthless(adjective, resolute, unyielding) | |
| unafraid(adjective, strong, tough, determined, vigorous) | |
| pertinacious(adjective, strong, tough, firm, difficult) | |
| spunky(adjective, strong, bold, resolute, spirited) | |
| undefeatable(adjective, unyielding) | |
| audacious(strong, tough, bold, spirited, brave) | |
| gallant(adjective, strong, tough, determined, noble) | |
| undiscouraged(adjective, bold, unconcerned, brave) | |
| valorous(adjective, strong, tough, determined, vigorous) | |
| willful(adjective, strong, tough, difficult, awkward) | |
| coming on strong(expression, adjective, idiom, bold, brave) | |
| fire-eating(adjective, strong, tough, noble, bold) | |
| icy(adjective, smart, bold, wise, brave) | |
| not discouraged(expression, adjective, bold, unconcerned, brave) | |
| not put off(expression, adjective, idiom, bold, brave) | |
| unalarmed(adjective, bold, unconcerned, brave) | |
| unapprehensive(adjective, bold, unconcerned, brave) |
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| APA | Smart Define. (2015). indomitable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/indomitable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "indomitable thesaurus" https://smartdefine.org/indomitable/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, indomitable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/indomitable/thesaurus/synonyms>. |
| MLA | Smart Define. "indomitable thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/indomitable/thesaurus/synonyms> |