Synonyms|88Antonyms|46|Broader|0Narrower|0Related|634
7
essential(adjective, important, significant, serious, critical)
6
crucial(adjective, important, significant, serious, essential)
3
critical(adjective, important, serious, grave, dangerous)
3
necessary(adjective, essential, required, needed)
3
of the essence
2
all important
2
important
2
integral
2
needed(adjective, significant, essential, basic, vital)
2
needful(adjective, significant, essential, basic, vital)
2
pivotal
2
requisite(adjective, significant, essential, basic, vital)
2
vital(adjective, important, significant, serious, essential)
1
acute
1
binding(adjective, significant, essential, basic, vital)
1
bottom-line(adjective, significant, essential, basic, vital)
1
chief(adjective, significant, essential, basic, vital)
1
climacteric
1
compelling(adjective, significant, essential, basic, vital)
1
compulsory(adjective, significant, essential, basic, 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>