53 entries under obligatory topic. ×
| wanted(adjective, significant, essential, basic, vital) | |
| bottom-line(adjective, significant, essential, basic, vital) | |
| called for(expression, right, essential, necessary) | |
| counted upon(expression, necessary, required, conclusive) | |
| elementary(adjective, significant, essential, basic, vital) | |
| indissoluble(necessary, required, conclusive) | |
| momentous(adjective, significant, essential, basic, vital) | |
| paramount(adjective, significant, essential, basic, vital) | |
| prime(adjective, significant, essential, basic, vital) | |
| principal(adjective, significant, essential, basic, vital) | |
| set(obvious, strict, compulsory, inevitable) | |
| significant(adjective, essential, basic, vital, required) | |
| unalterable(set, strict, necessary, required) |
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| APA | Smart Define. (2015). mandatory thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/mandatory/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "mandatory thesaurus" https://smartdefine.org/mandatory/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, mandatory thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/mandatory/thesaurus/synonyms>. |
| MLA | Smart Define. "mandatory thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/mandatory/thesaurus/synonyms> |