78 entries under significant topic. ×
| paramount(direct, prompt, important, serious) | |
| salient(adjective, sharp, big, important) | |
| signal(adjective, great, extraordinary, lively) | |
| substantial(adjective, big, heavy, important) | |
| big(heavy, important, substantial, valuable) | |
| big-league(great, extraordinary, heavy, outstanding) | |
| chief(adjective, great, big, heavy) | |
| earnest(big, heavy, substantial, valuable) | |
| earth-shaking(adjective, important, serious, historic) | |
| earth-shattering(important, serious, historic) | |
| eventful(adjective, great, extraordinary, important, lively) | |
| exceptional(great, big, heavy, substantial) | |
| far-reaching(big, important, substantial, valuable) | |
| foremost(vital, key, earnest, chief) | |
| front-page(great, big, heavy, substantial) | |
| importunate(adjective, hard, tough, difficult, big) | |
| memorable(adjective, important, lively, outstanding) | |
| of moment(expression, big, important, substantial) | |
| of note(expression, big, substantial, valuable) | |
| of substance(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> |