97 entries under adjective topic. ×

5
inexorable(cruel, obvious, pitiless, necessity)
5
unavoidable(certain, significant, near, essential)
4
compulsive
4
incumbent
4
must
4
exigent(important, significant, essential, critical)
4
needed(set, significant, essential, basic)
4
urgent(important, significant, essential, critical)
3
compulsatory(compulsion, commanding, required, authoritative)
3
basic(significant, essential, vital, fundamental)
3
crucial(important, significant, essential, critical)
3
de rigueur(expression, idiom, significant, essential)
3
demanded
3
forcible(powerful, aggressive)
3
needful(set, significant, essential, basic)
3
prerequisite(set, significant, essential, basic)
3
stringent(authority, affected, compulsion, strained)
2
automatic(unwilling, obligatory)
2
decisive(set, significant, essential, basic)
2
enforced(affected, strained, unnatural, required)
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APASmart Define. (2015). compulsory thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/compulsory/thesaurus/synonyms
ChicagoSmart Define. 2015. "compulsory thesaurus" https://smartdefine.org/compulsory/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, compulsory thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/compulsory/thesaurus/synonyms>.
MLASmart Define. "compulsory thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/compulsory/thesaurus/synonyms>