- Definitions|1
- Thesaurus|870
- Abbreviations|0
74 entries under regular topic. ×
| nonstop(adjective, dull, steady, stable) | |
| obstinate(adjective, firm, determined, usual) | |
| of a piece(expression, adjective, idiom, steady, stable) | |
| pat(adjective, firm, solid, intense, determined) | |
| permanent(adjective, dull, steady, stable) | |
| perpetual(adjective, dull, steady, stable) | |
| pigheaded(adjective, set, firm, determined, usual) | |
| prearranged(adjective, firm, determined, usual) | |
| predetermined(adjective, firm, determined, usual) | |
| prescribed(adjective, firm, determined, usual) | |
| regularized(adjective, dull, steady, stable) | |
| resolute(adjective, set, firm, solid, determined) | |
| resolved(adjective, firm, determined, usual) | |
| rigid(adjective, firm, determined, usual) | |
| rooted(adjective, firm, determined, usual) | |
| scheduled(adjective, firm, determined, usual) | |
| set in stone(expression, adjective, idiom, firm, solid) | |
| solid as a rock(expression, adjective, idiom, determined, usual) | |
| solid as rock(expression, adjective, idiom, steady, stable) | |
| specified(adjective, firm, determined, usual) |
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| APA | Smart Define. (2015). unflappable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unflappable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unflappable thesaurus" https://smartdefine.org/unflappable/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, unflappable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unflappable/thesaurus/synonyms>. |
| MLA | Smart Define. "unflappable thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/unflappable/thesaurus/synonyms> |