97 entries under significant topic. ×
| noticeable(substantial, large) | |
| reasonable(substantial, large) | |
| renowned(strong, powerful, substantial, large) | |
| respectable(substantial, large, generous, good-sized) | |
| solid(large, considerable) | |
| solid gold(expression, substantial, large) | |
| something else(expression, substantial, large) | |
| sound(large, considerable) | |
| stable(large, considerable) | |
| steady(large, considerable) | |
| stout(strong, powerful, large, sturdy) | |
| strong(powerful, large, sturdy, robust) | |
| sturdy(strong, powerful, large, robust) | |
| super(great, big, substantial, large) | |
| super-duper(substantial, large) | |
| unreal(substantial, large) | |
| venerable(substantial, large) |
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| APA | Smart Define. (2016). extensive thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/extensive/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "extensive thesaurus" https://smartdefine.org/extensive/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, extensive thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/extensive/thesaurus/synonyms>. |
| MLA | Smart Define. "extensive thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/extensive/thesaurus/synonyms> |