496 entries under adjective topic. ×
| historic(importance, main, extremely significant) | |
| impressive(importance, valuable, main, notable) | |
| key-note(importance, valuable, main, notable) | |
| major(important, significant, original, substantial) | |
| natural(common, ordinary, normal, basic) | |
| portentous(importance, valuable, main, notable) | |
| positive(physical, material, true, greatness) | |
| principle(noun, support, action, drop) | |
| remarkable(importance, valuable, main, notable) | |
| rudimentary(simple, important, straightforward, original) | |
| significative(importance, valuable, main, notable) | |
| simple(hard, severe, rough, plain) | |
| solemn(importance, valuable, main, notable) | |
| substance(noun, importance, basic, necessity) | |
| ultimate(importance, surface, main, typical) | |
| virtual(essence, intrinsicality) | |
| deep(original, basic, intimate, secret) | |
| deep-rooted(private, mental, inner) | |
| effective(useful, beneficial, advantageous) | |
| iconic(feature, state, characteristic, most important) |
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| APA | Smart Define. (2016). essential thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/essential/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "essential thesaurus" https://smartdefine.org/essential/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, essential thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/essential/thesaurus/synonyms>. |
| MLA | Smart Define. "essential thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/essential/thesaurus/synonyms> |