20 entries under obvious topic. ×
| compulsory(adjective, set, significant, affected, essential) | |
| required(adjective, right, significant, essential, basic) | |
| obligatory(adjective, right, significant, affected, essential) | |
| necessary(adjective, right, essential, obligation) | |
| inevitable(adjective, required, obligatory, inescapable) | |
| inescapable(adjective, required, inevitable) | |
| inexorable(adjective, required, inevitable, inescapable) | |
| certain(adjective, inevitable, inescapable) | |
| ineluctable(inevitable, inescapable) | |
| sure(adjective, inevitable, inescapable) | |
| unavoidable(adjective, set, significant, essential, basic) | |
| fated(inevitable, inescapable) | |
| impending(inevitable, inescapable) | |
| ineludible(inevitable, inescapable) | |
| inevasible(inevitable, inescapable) | |
| locked up(expression, inevitable, inescapable) | |
| manifest(inevitable, inescapable) | |
| open and shut(expression, idiom, inevitable, inescapable) | |
| set(strict, obligatory, compulsory, inevitable) | |
| unescapable(inevitable, inescapable) |
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| APA | Smart Define. (2015). mandatory thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/mandatory/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "mandatory thesaurus" https://smartdefine.org/mandatory/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, mandatory thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/mandatory/thesaurus/synonyms>. |
| MLA | Smart Define. "mandatory thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/mandatory/thesaurus/synonyms> |