98 entries under adjective topic. ×
| pressing(important, significant, serious, essential) | |
| de rigueur(expression, idiom, right, significant) | |
| critical(important, essential, basic, fundamental) | |
| crucial(important, significant, serious, capital) | |
| important(essential, critical, vital, fundamental) | |
| incumbent | |
| involuntary | |
| must | |
| accepted | |
| basic(important, significant, essential, critical) | |
| compelling(important, significant, serious, essential) | |
| fundamental(important, significant, capital, essential) | |
| imperious(commanding, obligatory, authoritative, domineering) | |
| perfect(correct, flawless, faultless, textbook) | |
| standard | |
| staple | |
| stipulated | |
| called-for | |
| cardinal(important, significant, capital, essential) | |
| central |
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| APA | Smart Define. (2015). required thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/required/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "required thesaurus" https://smartdefine.org/required/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, required thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/required/thesaurus/synonyms>. |
| MLA | Smart Define. "required thesaurus" 3 November 2015. Web. 23 September 2026. <https://smartdefine.org/required/thesaurus/synonyms> |