- Definitions|0
- Thesaurus|35
- Abbreviations|0
| stable(steady, fixed, constant, impassive, inflexible) | |
| steadfast(steady, stable, fixed, constant, impassive) | |
| unchanging(stable, constant, enduring, lasting, perpetual) | |
| unfading(stable, constant, vast, enduring, lasting) | |
| abiding(stable, constant, enduring, lasting, perpetual) | |
| carved in stone(adjective, fixed) | |
| durable(stable, constant, enduring, lasting, perpetual) | |
| enduring(stable, constant, lasting, perpetual) | |
| hard-and-fast(adjective, strict) | |
| hold the fort | |
| immovable(adjective, fixed, stubborn) | |
| lasting(stable, constant, vast, enduring, perpetual) | |
| perdurable(stable, constant, enduring, lasting, perpetual) | |
| permanent(adjective, constant, lasting) | |
| perpetual(stable, constant, enduring, lasting) |
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| APA | Smart Define. (2011). set in concrete thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/set_in_concrete/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "set in concrete thesaurus" https://smartdefine.org/set_in_concrete/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2011, set in concrete thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/set_in_concrete/thesaurus/synonyms>. |
| MLA | Smart Define. "set in concrete thesaurus" 23 May 2011. Web. 27 September 2026. <https://smartdefine.org/set_in_concrete/thesaurus/synonyms> |