Synonyms|338Antonyms|89|Broader|3Narrower|0Related|358

79 entries under obligatory topic. ×

4
needed(adjective, set, significant, essential, basic)
4
urgent(adjective, important, significant, essential, critical)
3
basic(adjective, significant, essential, vital, fundamental)
3
crucial(adjective, important, significant, essential, critical)
3
de rigueur(expression, adjective, idiom, significant, essential)
3
needful(adjective, set, significant, essential, basic)
3
prerequisite(adjective, set, significant, essential, basic)
2
automatic(adjective, unwilling)
2
conclusive(set, strict, necessary, required)
2
decisive(adjective, set, significant, essential, basic)
2
enforced(adjective, affected, strained, unnatural, required)
2
reluctant(adjective, forced, unwilling)
1
all-important(adjective, significant, essential, basic, vital)
1
begrudging(adjective, affected, strained, forced, unwilling)
1
cardinal(adjective, significant, essential, basic, vital)
1
chief(adjective, significant, essential, basic, vital)
1
expedient(adjective, significant, essential, basic, vital)
1
fixed(expected, predictable, necessary, inexorable, required)
1
fundamental(adjective, significant, essential, basic, vital)
1
grudging(adjective, affected, strained, forced, unwilling)
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APASmart Define. (2015). compulsory thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/compulsory/thesaurus/synonyms
ChicagoSmart Define. 2015. "compulsory thesaurus" https://smartdefine.org/compulsory/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, compulsory thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/compulsory/thesaurus/synonyms>.
MLASmart Define. "compulsory thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/compulsory/thesaurus/synonyms>