2
chartered
2
chief(adjective, important, significant, serious, capital)
2
claimed
2
coal-and-ice(important, essential, critical, basic, fundamental)
2
coerced
2
collected
2
commanded(verb, adjective)
2
compulsatory(adjective, commanding, obligatory, authoritative, domineering)
2
conclusive(necessary, obligatory)
2
conducted
2
considered
2
constitutive(important, capital, essential, critical, basic)
2
constraining(adjective, obligatory)
2
decisive(adjective, important, significant, essential, critical)
2
enforced(verb, adjective, obligatory, compulsory, mandatory)
2
exacted
2
exigent(adjective, important, significant, serious, essential)
2
inescapable(adjective, obvious, inevitable)
2
inexorable(adjective, obvious, inevitable, inescapable)
2
integral(important, essential, critical, basic, fundamental)
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APASmart Define. (2015). required thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/required/thesaurus/synonyms
ChicagoSmart Define. 2015. "required thesaurus" https://smartdefine.org/required/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, required thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/required/thesaurus/synonyms>.
MLASmart Define. "required thesaurus" 3 November 2015. Web. 21 September 2026. <https://smartdefine.org/required/thesaurus/synonyms>