115 entries under important topic. ×
| considerable(big, significant, substantial, large) | |
| distinguished(adjective, good, fine, superior, unusual) | |
| famous(adjective, good, superior, exceptional) | |
| fine(adjective, good, excellent, superior) | |
| governing(adjective, prominent, prime, chief) | |
| grass-roots(adjective, significant, original, essential) | |
| heavy(order, big, significant, substantial) | |
| meaningful(big, significant, substantial, serious) | |
| meat-and-potatoes(adjective, base, significant, last) | |
| middle(adjective, significant, essential, basic) | |
| noted(adjective, significant, critical, prominent) | |
| nuclear(material, significant, natural, basic) | |
| pressing(big, significant, substantial, valuable) | |
| structural(material, natural, original, basic) | |
| substrative(adjective, significant, original, essential) | |
| superlative(adjective, fine, significant, grand) | |
| supporting(adjective, significant, original, essential) | |
| sustaining(adjective, significant, original, essential) | |
| theoretical(adjective, significant, original, essential) | |
| weighty(big, significant, substantial, serious) |
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| APA | Smart Define. (2016). primary thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/primary/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "primary thesaurus" https://smartdefine.org/primary/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, primary thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/primary/thesaurus/synonyms>. |
| MLA | Smart Define. "primary thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/primary/thesaurus/synonyms> |