- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
70 entries under persistent topic. ×
| solid as rock(expression, adjective, idiom, steady, stable) | |
| standardized(adjective, dull, steady, stable, regular) | |
| stiff-necked(adjective, constant, pitiless, unyielding) | |
| tenacious(adjective, determined, steady, resolute) | |
| together(adjective, steady, stable, regular, fixed) | |
| unabated(adjective, constant, pitiless, unyielding) | |
| unbending(adjective, constant, pitiless, unyielding) | |
| unflappable(adjective, dull, steady, stable, regular) | |
| unwavering(adjective, set, regular, constant) | |
| ironfisted |
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| APA | Smart Define. (2016). perpetual thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/perpetual/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "perpetual thesaurus" https://smartdefine.org/perpetual/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, perpetual thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/perpetual/thesaurus/synonyms>. |
| MLA | Smart Define. "perpetual thesaurus" 30 March 2016. Web. 23 September 2026. <https://smartdefine.org/perpetual/thesaurus/synonyms> |