91 entries under large topic. ×
| super(adjective, good, extraordinary, big, unusual) | |
| vast(adjective, considerable) | |
| worthwhile(adjective, strong, solid, big, important) | |
| doozie(big, important, outstanding, substantial) | |
| dynamite(big, important, substantial) | |
| exigent(adjective, great, big, heavy, important) | |
| fab(big, important, substantial) | |
| fat(adjective, big, heavy, important, substantial) | |
| foremost(important, vital, main, middle) | |
| hefty(adjective, big, heavy, substantial) | |
| massive(big, heavy, substantial, considerable) | |
| mondo(big, important, substantial) | |
| solid gold(expression, big, important, substantial) | |
| something(big, important, substantial, valuable) | |
| something else(expression, adjective, big, unusual, important) | |
| stable(solid, proper, accepted, established) | |
| super-duper(big, important, substantial) | |
| to the max(expression, idiom, big, important, substantial) | |
| unreal(adjective, superior, big, unusual, important) | |
| venerable(big, important, substantial) |
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| APA | Smart Define. (2016). significant thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/significant/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "significant thesaurus" https://smartdefine.org/significant/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, significant thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/significant/thesaurus/synonyms>. |
| MLA | Smart Define. "significant thesaurus" 4 March 2016. Web. 24 September 2026. <https://smartdefine.org/significant/thesaurus/synonyms> |