69 entries under substantial topic. ×
| primary(adjective, big, important, significant) | |
| heavyweight(adjective, great, big, heavy, important) | |
| meaningful(adjective, great, important, significant) | |
| considerable(adjective, big, heavy, important, significant) | |
| determining(big, important, significant, serious) | |
| material(adjective, big, heavy, important, significant) | |
| salient(adjective, sharp, big, important, significant) | |
| big(heavy, important, significant, valuable) | |
| chief(adjective, great, big, heavy, significant) | |
| earnest(big, heavy, significant, valuable) | |
| exceptional(great, big, heavy, significant) | |
| far-reaching(big, important, significant, valuable) | |
| front-page(great, big, heavy, significant) | |
| importunate(adjective, hard, tough, difficult, big) | |
| of moment(expression, big, important, significant) | |
| of note(expression, big, significant, valuable) | |
| of substance(expression, big, significant, valuable) | |
| ponderous(big, heavy, significant, valuable) | |
| relevant(adjective, big, significant, valuable) | |
| something(big, outstanding, significant, valuable) |
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| APA | Smart Define. (2016). critical thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/critical/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "critical thesaurus" https://smartdefine.org/critical/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, critical thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/critical/thesaurus/synonyms>. |
| MLA | Smart Define. "critical thesaurus" 16 February 2016. Web. 25 September 2026. <https://smartdefine.org/critical/thesaurus/synonyms> |