49 entries under essential topic. ×

3
necessitous(required, needed)
2
decisive(adjective, great, big, significant, substantial)
2
indispensable(adjective, important, significant, serious)
2
needful(adjective, significant, basic, vital)
2
required(adjective, important, significant, serious)
2
requisite(adjective, significant, basic, vital)
1
all-important(adjective, significant, basic, vital)
1
binding(adjective, significant, basic, vital)
1
bottom-line(adjective, significant, basic, vital)
1
chief(adjective, big, significant, substantial, large)
1
de rigueur(expression, adjective, significant, basic)
1
expedient(adjective, significant, basic, vital)
1
fundamental(adjective, significant, basic, vital)
1
incumbent on(expression, adjective, significant, basic)
1
momentous(adjective, big, heavy, significant, substantial)
1
name of game(expression, adjective, idiom, significant)
1
needed(adjective, significant, basic, vital)
1
paramount(adjective, big, significant, substantial, large)
1
prerequisite(adjective, significant, basic, vital)
1
principal(adjective, big, significant, substantial, large)
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APASmart Define. (2015). exigent thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/exigent/thesaurus/synonyms
ChicagoSmart Define. 2015. "exigent thesaurus" https://smartdefine.org/exigent/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, exigent thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/exigent/thesaurus/synonyms>.
MLASmart Define. "exigent thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/exigent/thesaurus/synonyms>