- Definitions|2
- Thesaurus|4.6k
- Abbreviations|0
100 entries under fixed topic. ×
| unfluctuating(adjective, firm, solid, stable) | |
| unswerving(adjective, firm, solid, stable) | |
| unvarying(adjective, set, clear, firm, solid) | |
| abiding(adjective, set, clear, complete, firm) | |
| balanced(adjective, strong, easy, firm, solid) | |
| cool(adjective, firm, solid, extraordinary, unusual) | |
| enduring(adjective, set, clear, complete, firm) | |
| immovable(adjective, firm, solid, determined, usual) | |
| intense(adjective, firm, solid, stable) | |
| narrow(adjective, limited, definite, inflexible) | |
| poised(adjective, firm, solid, stable) | |
| prescribed(adjective, firm, determined, usual, regular) | |
| self-possessed(adjective, firm, solid, stable) | |
| set in stone(expression, adjective, idiom, firm, solid) | |
| sober(adjective, firm, solid, energetic, vigorous) | |
| solid as a rock(expression, adjective, idiom, firm, solid) | |
| sturdy(adjective, firm, solid, true, stable) | |
| uncompromising(adjective, clear, definite, rigid) | |
| unshaken(adjective, set, clear, firm, solid) | |
| wholehearted(adjective, complete, firm, total, solid) |
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| APA | Smart Define. (2016). certain thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/certain/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "certain thesaurus" https://smartdefine.org/certain/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, certain thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/certain/thesaurus/synonyms>. |
| MLA | Smart Define. "certain thesaurus" 31 March 2016. Web. 20 September 2026. <https://smartdefine.org/certain/thesaurus/synonyms> |