- Definitions|2
- Thesaurus|1k
- Abbreviations|0
60 entries under strong topic. ×
| adamantine(adjective, characteristic, quality, hard) | |
| iron(adjective, characteristic, quality, mean) | |
| indomitable(adjective, hard, tough, difficult) | |
| staunch(adjective, characteristic, quality, tough) | |
| unswerving(adjective, tough, firm, intense) | |
| unflinching(adjective, firm, determined, fixed) | |
| fast(adjective, characteristic, quality, secure) | |
| steely(adjective, hard, tough, determined) | |
| sturdy(adjective, hard, tough, firm) | |
| purposeful(adjective, tough, firm, deliberate) | |
| rigorous(adjective, hard, tough, severe) | |
| solid(adjective, secure, tough, firm) | |
| harsh(adjective, mean, hard, tough) | |
| ruthless(adjective, appearance, hard, severe) | |
| unshaken(adjective, firm, cold, indifferent) | |
| austere(adjective, appearance, hard, tough) | |
| authoritarian(adjective, hard, tough, severe) | |
| bound(adjective, tough, firm, intense) | |
| hard-boiled(adjective, mean, hard, tough) | |
| hard-line(adjective, hard, tough, rough) |
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| APA | Smart Define. (2015). stubborn thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/stubborn/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "stubborn thesaurus" https://smartdefine.org/stubborn/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, stubborn thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/stubborn/thesaurus/synonyms>. |
| MLA | Smart Define. "stubborn thesaurus" 3 August 2015. Web. 27 September 2026. <https://smartdefine.org/stubborn/thesaurus/synonyms> |