- Definitions|2
- Thesaurus|899
- Abbreviations|0
185 entries under strong topic. ×
| fire-eating(adjective, tough, noble, bold) | |
| fireball(adjective, firm, determined, steady) | |
| foolhardy(bold, spirited, brave, courageous) | |
| forward(bold, spirited, brave, courageous) | |
| game(tough, bold, spirited, brave) | |
| go-go(adjective, firm, determined, steady) | |
| great(tough, difficult, powerful, vigorous) | |
| herolike(bold, spirited, brave, courageous) | |
| high-spirited(tough, vigorous, noble, bold) | |
| impavid(tough, bold, resolute, spirited) | |
| imprudent(bold, spirited, brave, courageous) | |
| inexhaustible(adjective, firm, determined, steady) | |
| lionhearted(tough, bold, wise, spirited) | |
| martial(tough, bold, resolute, spirited) | |
| mulish(adjective, hard, tough, difficult) | |
| nervy(tough, vigorous, noble, bold) | |
| overriding(adjective, overwhelming, uncontrollable) | |
| potent(adjective, powerful, forceful, overwhelming) | |
| puissant(great, tough, difficult, powerful) | |
| red-blooded(tough, bold, resolute, spirited) |
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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> |