7
desirable(necessary, wanted, needed)
6
urgent(adjective, important, significant, essential, critical)
5
called for(verb, expression, adjective, phrasal verb, right)
5
happy
5
inevitable(adjective, obvious, obligatory, inescapable)
5
obligated
5
pressing(adjective, important, significant, serious, essential)
4
de rigueur(expression, adjective, idiom, right, significant)
4
constrained(verb, obliged)
4
critical(adjective, important, essential, basic, fundamental)
4
crucial(adjective, important, significant, serious, capital)
4
forced
4
important(adjective, essential, critical, vital, fundamental)
4
incumbent
4
involuntary
4
must
4
necessitated(verb, obliged)
3
accepted(verb, adjective)
3
anticipated(verb, necessary, wanted, needed)
3
basic(adjective, important, significant, essential, critical)
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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>