59 entries under significant topic. ×
| meaningful(substantial, large, considerable) | |
| momentous(substantial, large, considerable) | |
| noteworthy(substantial, large) | |
| noticeable(substantial, large) | |
| principal(large, considerable) | |
| renowned(substantial, large) | |
| serious(large, considerable) | |
| solid gold(expression, substantial, large) | |
| something(substantial, large, quite, fairly) | |
| something else(expression, substantial, large) | |
| stable(large, considerable) | |
| steady(large, considerable) | |
| sturdy(large, robust, considerable) | |
| super(great, big, substantial, large) | |
| super-duper(substantial, large) | |
| to the max(expression, idiom, substantial, large) | |
| unreal(substantial, large) | |
| venerable(substantial, large) | |
| well-built(large, considerable) |
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| APA | Smart Define. (2016). ample thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/ample/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "ample thesaurus" https://smartdefine.org/ample/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, ample thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/ample/thesaurus/synonyms>. |
| MLA | Smart Define. "ample thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/ample/thesaurus/synonyms> |