6 entries under authoritative topic. ×

3
compulsory(adjective, commanding, required, obligatory)
3
imperious(adjective, commanding, required, obligatory)
3
mandatory(adjective, necessary, commanding, required, obligatory)
2
imperative(commanding, required, obligatory, domineering)
2
required(commanding, obligatory, domineering, compulsory)
1
obligatory(adjective, essential, commanding, required)
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APASmart Define. (2015). compulsatory thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/compulsatory/thesaurus/synonyms
ChicagoSmart Define. 2015. "compulsatory thesaurus" https://smartdefine.org/compulsatory/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, compulsatory thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/compulsatory/thesaurus/synonyms>.
MLASmart Define. "compulsatory thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/compulsatory/thesaurus/synonyms>