14 entries under essential topic. ×

2
prerequisite(adjective, necessary, obligatory, compulsory)
2
needful(necessary, obligatory, compulsory, mandatory)
2
required(right, necessary, obligatory, compulsory)
2
requisite(necessary, obligatory, compulsory, mandatory)
2
vital(necessary, obligatory, compulsory, mandatory)
2
wanted(adjective, important, serious, critical)
1
indispensable(necessary, obligatory, compulsory, mandatory)
1
necessary(right, obligatory, compulsory, mandatory)
0
expedient
0
imperative(necessary, obligatory, compulsory, mandatory)
0
mandatory(right, necessary, obligatory, compulsory)
0
necessitous
0
obligatory(right, necessary, compulsory, mandatory)
0
of the essence(expression, idiom, necessary)
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APASmart Define. (2015). called for thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/called_for/thesaurus/synonyms
ChicagoSmart Define. 2015. "called for thesaurus" https://smartdefine.org/called_for/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, called for thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/called_for/thesaurus/synonyms>.
MLASmart Define. "called for thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/called_for/thesaurus/synonyms>