- Definitions|2
- Thesaurus|1.8k
- Abbreviations|0
646 entries under adjective topic. ×
| invincible(persistent, obstinate, insistent, dogged) | |
| iron(strong, tough, firm, determined) | |
| mulish(tough, firm, determined, resolute) | |
| pat(firm, solid, determined, usual) | |
| patient | |
| persisting(strong, tough, firm, determined) | |
| positive(good, clear, strong, complete) | |
| strict(close, strong, correct, flat) | |
| unconquerable(persistent, obstinate, insistent, dogged) | |
| unqualified(strong, complete, flat, firm) | |
| unswayable(determined, resolute, strict, obstinate) | |
| wholehearted(complete, keen, firm, total) | |
| balanced(calm, strong, secure, easy) | |
| deliberate(intense, determined, resolute, focused) | |
| eternal(certain, steady, regular, persistent) | |
| everlasting(set, stable, persistent, constant) | |
| grim(determined, resolute, uncompromising, unshakeable) | |
| hell-bent(fixed, persistent, obstinate, absorbed) | |
| hidebound(determined, resolute, persistent, obstinate) | |
| industrious(energetic, determined, active, vigorous) |
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| APA | Smart Define. (2016). steadfast thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/steadfast/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "steadfast thesaurus" https://smartdefine.org/steadfast/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, steadfast thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/steadfast/thesaurus/synonyms>. |
| MLA | Smart Define. "steadfast thesaurus" 11 March 2016. Web. 24 September 2026. <https://smartdefine.org/steadfast/thesaurus/synonyms> |