Synonyms|88Antonyms|46|Broader|0Narrower|0Related|634

37 entries under basic topic. ×

7
essential(adjective, important, significant, serious, critical)
6
crucial(adjective, important, significant, serious, essential)
2
needed(adjective, significant, essential, vital)
2
needful(adjective, significant, essential, vital)
2
requisite(adjective, significant, essential, vital)
2
vital(adjective, important, significant, serious, essential)
1
binding(adjective, significant, essential, vital)
1
bottom-line(adjective, significant, essential, vital)
1
chief(adjective, significant, essential, vital)
1
compelling(adjective, significant, essential, vital)
1
compulsory(adjective, significant, essential, vital)
1
de rigueur(expression, adjective, significant, essential)
1
decisive(adjective, significant, serious, essential)
1
exigent(adjective, significant, essential, vital)
1
expedient(adjective, significant, essential, vital)
1
fundamental(adjective, significant, essential, vital)
1
imperative(adjective, important, significant, serious, essential)
1
incumbent on(expression, adjective, significant, essential)
1
indispensable(adjective, important, significant, serious, essential)
1
mandatory(adjective, significant, essential, vital)
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APASmart Define. (2015). all-important thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/all-important/thesaurus/synonyms
ChicagoSmart Define. 2015. "all-important thesaurus" https://smartdefine.org/all-important/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, all-important thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/all-important/thesaurus/synonyms>.
MLASmart Define. "all-important thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/all-important/thesaurus/synonyms>