- Definitions|2
- Thesaurus|1.2k
- Abbreviations|0
218 entries under adjective topic. ×
| regularized(dull, steady, stable, regular) | |
| remorseless(persistent, constant, pitiless, unyielding) | |
| repeating(lasting, continual) | |
| returning(lasting, continual) | |
| robot-like | |
| rooted | |
| sequential | |
| solid as rock(expression, idiom, steady, stable) | |
| standardized(dull, steady, stable, regular) | |
| stiff-necked(persistent, constant, pitiless, unyielding) | |
| tenacious(determined, steady, resolute, persistent) | |
| together(steady, stable, regular, fixed) | |
| un-intermittent | |
| unabated(persistent, constant, pitiless, unyielding) | |
| unbending(persistent, constant, pitiless, unyielding) | |
| unconditional | |
| unflappable(dull, steady, stable, regular) | |
| unqualified | |
| unwavering(set, regular, persistent, constant) | |
| Loosely continuous |
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| APA | Smart Define. (2016). perpetual thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/perpetual/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "perpetual thesaurus" https://smartdefine.org/perpetual/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, perpetual thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/perpetual/thesaurus/synonyms>. |
| MLA | Smart Define. "perpetual thesaurus" 30 March 2016. Web. 29 September 2026. <https://smartdefine.org/perpetual/thesaurus/synonyms> |