- Definitions|1
- Thesaurus|782
- Abbreviations|0
79 entries under substantial topic. ×
| set in stone(expression, idiom, calm, strong) | |
| sinewy(adjective, strong, sound, tough, solid) | |
| solid as a rock(expression, idiom, calm, strong) | |
| stabile(calm, strong, solid, steady) | |
| stalwart(adjective, calm, strong, sound, secure) | |
| stark(adjective, strong, sound, tough, solid) | |
| stationary(calm, strong, secure, solid, steady) | |
| staying put(expression, calm, strong, solid) | |
| strapping(adjective, strong, sound, tough, solid) | |
| tenacious(adjective, strong, sound, secure, tough) | |
| together(calm, strong, solid, steady) | |
| unalterable(calm, strong, solid, steady) | |
| unchangeable(calm, strong, solid, steady) | |
| unfluctuating(calm, strong, secure, solid, steady) | |
| uniform(calm, strong, solid, steady) | |
| unvarying(calm, strong, solid, steady) | |
| unwavering(calm, strong, solid, steady) | |
| vigorous(adjective, strong, sound, tough, solid) | |
| healthy(adjective, solid, heavy, powerful) |
For more, visit
Well-founded on
Power Thesaurus
| APA | Smart Define. (2016). well-founded thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/well-founded/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "well-founded thesaurus" https://smartdefine.org/well-founded/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, well-founded thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/well-founded/thesaurus/synonyms>. |
| MLA | Smart Define. "well-founded thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/well-founded/thesaurus/synonyms> |