39 entries under essential topic. ×

1
incumbent on(expression, adjective, significant, basic)
1
indispensable(adjective, important, significant, basic)
1
mandatory(adjective, significant, basic, vital)
1
momentous(adjective, significant, basic, vital)
1
name of game(expression, adjective, idiom, significant)
1
needed(adjective, significant, basic, vital)
1
needful(adjective, significant, basic, vital)
1
obligatory(adjective, significant, basic, vital)
1
prerequisite(adjective, significant, basic, vital)
1
pressing(adjective, significant, basic, vital)
1
principal(adjective, important, significant, basic)
1
required(adjective, significant, basic, vital)
1
requisite(adjective, significant, basic, vital)
1
specified(adjective, significant, basic, vital)
1
unavoidable(adjective, significant, basic, vital)
1
urgent(adjective, significant, basic, vital)
1
wanted(adjective, significant, basic, vital)
0
necessitous(required, needed)
0
significant(adjective, important, basic, vital)
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APASmart Define. (2016). quintessential thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/quintessential/thesaurus/synonyms
ChicagoSmart Define. 2016. "quintessential thesaurus" https://smartdefine.org/quintessential/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, quintessential thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/quintessential/thesaurus/synonyms>.
MLASmart Define. "quintessential thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/quintessential/thesaurus/synonyms>