Synonyms|861Antonyms|138|Broader|14Narrower|0Related|399

133 entries under essential topic. ×

1
humor(noun, form, fix, pass, position)
1
incumbent on(verb, expression, adjective, phrasal verb, significant)
1
indispensability(need, requirement, prerequisite, essentiality)
1
inexorableness(need, requirement, prerequisite, essentiality)
1
key(important, significant, critical, basic)
1
main(important, significant, capital, vital)
1
meaningful(big, important, substantial, serious, valuable)
1
meat-and-potatoes(important, critical, basic, fundamental)
1
name(important, critical, fundamental, decisive)
1
name-of-the-game(important, critical, basic, fundamental)
1
needfulness(need, requirement, prerequisite, essentiality)
1
nitty-gritty(important, critical, basic, fundamental)
1
pinch(concern, demand, need, requirement)
1
precondition(noun, concern, demand, need)
1
primary(big, significant, substantial, valuable)
1
privation(need, requirement, prerequisite, essentiality)
1
quintessential(adjective, significant, basic, vital)
1
sine qua non(noun, expression, idiom, need)
1
unavoidable(adjective, set, strong, significant)
1
undeniability(need, requirement, prerequisite, essentiality)
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ChicagoSmart Define. 2015. "imperative thesaurus" https://smartdefine.org/imperative/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, imperative thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/imperative/thesaurus/synonyms>.
MLASmart Define. "imperative thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/imperative/thesaurus/synonyms>