- Definitions|2
- Thesaurus|572
- Abbreviations|0
| obstinate | |
| odds-on(set, certain, unquestionable, indisputable, unassailable) | |
| omnipotent(adjective, supreme) | |
| peerless(adjective, supreme) | |
| pertinacious | |
| power(strong, energetic, active, vigorous, controlling) | |
| resolved(adjective, persistent, obstinate, insistent, dogged) | |
| solid | |
| stout(adjective, strong, brawny) | |
| sure(set, certain, unquestionable, indisputable, unassailable) | |
| tireless | |
| unexcelled(adjective, supreme) | |
| unflagging | |
| unkillable | |
| unsurpassable(adjective, secure, supreme, unattainable, unbeatable) | |
| unswerving | |
| untamable | |
| untiring | |
| unwavering | |
| set(adjective, persistent, obstinate, insistent, dogged) |
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| APA | Smart Define. (2015). invincible thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/invincible/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "invincible thesaurus" https://smartdefine.org/invincible/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, invincible thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/invincible/thesaurus/synonyms>. |
| MLA | Smart Define. "invincible thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/invincible/thesaurus/synonyms> |