- Definitions|2
- Thesaurus|716
- Abbreviations|0
32 entries under steadfast topic. ×
| firm(adjective, strain, true, firmness, constant) | |
| sound(adjective, reasonable, strain, firm, true) | |
| stable(adjective, strain, firm, true, firmness) | |
| fast(adjective, strain, firm, firmness, constant) | |
| tight(adjective, strain, firm, true, firmness) | |
| secure(adjective, sound, reasonable, firm, true) | |
| indomitable(adjective, strength, do, win) | |
| fortified(adjective, firm, true, fixed, constant) | |
| faithful(firm, true, fixed, constant) | |
| immovable(adjective, firm, true, fixed, resolute) | |
| indelible(firm, true, fixed, constant) | |
| close(adjective, firm, true, fixed, constant) | |
| fixed(adjective, firm, true, steady, resolute) | |
| resolute(strong, firm, true, fixed, constant) | |
| set(adjective, firm, true, fixed, constant) | |
| staunch(adjective, strong, firm, true, fixed) | |
| sure(adjective, firm, true, fixed, resolute) | |
| tenacious(adjective, firm, true, fixed, constant) | |
| adherent(firm, true, fixed, constant) | |
| ardent(firm, true, fixed, constant) |
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| APA | Smart Define. (2015). impregnable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/impregnable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "impregnable thesaurus" https://smartdefine.org/impregnable/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, impregnable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/impregnable/thesaurus/synonyms>. |
| MLA | Smart Define. "impregnable thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/impregnable/thesaurus/synonyms> |