- Definitions|2
- Thesaurus|1.1k
- Abbreviations|0
18 entries under vigorous topic. ×
| stalwart(adjective, strong, determined, noble) | |
| steadfast(determined, noble, resolute, stout) | |
| great(adjective, respect, tough, knowledge, difficult) | |
| powerful(adjective, tough, difficult, noble) | |
| venturous(adjective, noble, stout, courageous) | |
| indomitable(tough, difficult, determined, noble) | |
| puissant(tough, difficult, noble, stout) | |
| worthy(good, proper, modest, noble) | |
| assertive(noble, stout, courageous, heroic) | |
| chivalrous(noble, stout, courageous, heroic) | |
| gutty(noble, stout, courageous, heroic) | |
| heroic(tough, determined, noble, stout) | |
| high-spirited(noble, stout, courageous, heroic) | |
| magnanimous(noble, stout, courageous, heroic) | |
| self-reliant(noble, stout, courageous, heroic) | |
| stout(determined, noble, resolute, courageous) | |
| strong-willed(noble, stout, courageous, heroic) | |
| undismayed(noble, stout, courageous, heroic) |
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| APA | Smart Define. (2016). redoubtable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/redoubtable/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "redoubtable thesaurus" https://smartdefine.org/redoubtable/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, redoubtable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/redoubtable/thesaurus/synonyms>. |
| MLA | Smart Define. "redoubtable thesaurus" 2 March 2016. Web. 23 September 2026. <https://smartdefine.org/redoubtable/thesaurus/synonyms> |