119 entries under significant topic. ×
| celebrated(adjective, bad, great, excellent, important) | |
| compulsory(adjective, essential, basic, vital) | |
| critical(adjective, great, big, heavy) | |
| de rigueur(expression, adjective, essential, basic) | |
| decisive(adjective, great, big, important) | |
| determining(big, substantial, valuable, vital) | |
| earnest(big, substantial, valuable, vital) | |
| exigent(adjective, big, substantial, large) | |
| expedient(adjective, essential, basic, vital) | |
| famous(adjective, bad, great, excellent, superior) | |
| fine(adjective, top, excellent, superior, important) | |
| front-page(great, big, heavy, substantial) | |
| grave(adjective, great, big, heavy, important) | |
| illustrious(adjective, excellent, important, famous) | |
| imperative(adjective, big, important, substantial) | |
| importunate(big, substantial, valuable, vital) | |
| incumbent on(expression, adjective, essential, basic) | |
| lofty(adjective, free, fine, important) | |
| mandatory(adjective, essential, basic, vital) | |
| marked(adjective, great, extraordinary, superior, big) |
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| APA | Smart Define. (2016). chief thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/chief/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "chief thesaurus" https://smartdefine.org/chief/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, chief thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/chief/thesaurus/synonyms>. |
| MLA | Smart Define. "chief thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/chief/thesaurus/synonyms> |