Synonyms|74Antonyms|1|Broader|0Narrower|0Related|1
1
basic(adjective, important, essential, critical, fundamental)
1
bottom-line(adjective, important, essential, critical, basic)
1
cardinal(adjective, important, essential, critical, basic)
1
constitutive(adjective, important, essential, critical, basic)
1
critical(adjective, important, essential, basic, fundamental)
1
crucial(adjective, important, essential, critical, basic)
1
decisive(adjective, important, essential, critical, basic)
1
essential(adjective, important, critical, basic, fundamental)
1
fundamental(adjective, important, essential, critical, basic)
1
heavy(adjective, important, essential, critical, basic)
1
imperative(adjective, important, essential, critical, basic)
1
indispensable(adjective, important, essential, critical, basic)
1
integral(adjective, important, essential, critical, basic)
1
key(adjective, important, essential, critical, basic)
1
life-or-death(adjective, important, significant, essential, critical)
1
meaningful(adjective, important, essential, critical, fundamental)
1
meat-and-potatoes(adjective, important, significant, essential, critical)
1
name(adjective, important, significant, essential, critical)
1
name-of-the-game(adjective, important, significant, essential, critical)
1
necessary(adjective, important, essential, critical, basic)
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ChicagoSmart Define. 2011. "coal-and-ice thesaurus" https://smartdefine.org/coal-and-ice/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2011, coal-and-ice thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/coal-and-ice/thesaurus/synonyms>.
MLASmart Define. "coal-and-ice thesaurus" 24 May 2011. Web. 20 September 2026. <https://smartdefine.org/coal-and-ice/thesaurus/synonyms>