177 entries under important topic. ×
| epoch-making | |
| fell(adjective, tough, severe, unpleasant, heavy) | |
| impressive(adjective, bad, great, excellent, fine) | |
| renowned(famous, outstanding, significant, substantial) | |
| superlative(adjective, bad, great, excellent, fine) | |
| ace(adjective, bad, great, excellent, superior) | |
| axiological(adjective, significant, original, essential) | |
| axiomatic(significant, original, basic, vital) | |
| bad(adjective, great, excellent, superior) | |
| bigtime(adjective, informal) | |
| bottom(adjective, significant, original, essential) | |
| bottom-line(significant, original, basic, vital) | |
| constitutional(adjective, significant, original, essential) | |
| constitutive(significant, original, basic, vital) | |
| elemental(adjective, significant, original, essential) | |
| far-out(adjective, bad, great, excellent, superior) | |
| far-reaching(severe, big, substantial, grand) | |
| formidable(adjective, tough, severe, unpleasant) | |
| foundational(adjective, significant, original, essential) | |
| grass-roots(adjective, significant, original, essential) |
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| APA | Smart Define. (2015). major thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/major/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "major thesaurus" https://smartdefine.org/major/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, major thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/major/thesaurus/synonyms>. |
| MLA | Smart Define. "major thesaurus" 6 July 2015. Web. 24 September 2026. <https://smartdefine.org/major/thesaurus/synonyms> |