78 entries under significant topic. ×
| ponderous(big, heavy, substantial, valuable) | |
| relevant(adjective, big, substantial, valuable) | |
| something(big, outstanding, substantial, valuable) | |
| standout(great, extraordinary, big, substantial) | |
| valuable(adjective, big, substantial, vital) | |
| chips are down(expression, idiom, important, historic) | |
| conspicuous(vital, imperative) | |
| definite(adjective, key, conclusive, pivotal) | |
| epochal(important, historic) | |
| esteemed(vital, imperative) | |
| extensive(big, substantial, valuable, vital) | |
| final(adjective, last, definite, key) | |
| heavy number(expression, important, historic) | |
| important serious(expression, important, historic) | |
| inauspicious(negative, disapproving, momentous, uncomplimentary) | |
| large(big, substantial, valuable, vital) | |
| marked(big, substantial, valuable, vital) | |
| mattering much(expression, big, substantial, valuable) |
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| APA | Smart Define. (2016). critical thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/critical/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "critical thesaurus" https://smartdefine.org/critical/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, critical thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/critical/thesaurus/synonyms>. |
| MLA | Smart Define. "critical thesaurus" 16 February 2016. Web. 27 September 2026. <https://smartdefine.org/critical/thesaurus/synonyms> |