Synonyms|180Antonyms|2|Broader|0Narrower|0Related|40

30 entries under critical topic. ×

1
basic(important, essential, fundamental, key)
1
bottom-line(important, essential, basic, fundamental)
1
cardinal(important, essential, basic, fundamental)
1
coal-and-ice(adjective, important, significant, essential)
1
constitutive(important, essential, basic, fundamental)
1
crucial(big, heavy, important, substantial, essential)
1
decisive(important, essential, basic, fundamental)
1
fundamental(important, essential, basic, key)
1
heavy(adjective, big, unusual, important, exceptional)
1
imperative(important, essential, basic, fundamental)
1
indispensable(important, essential, basic, fundamental)
1
integral(important, essential, basic, fundamental)
1
key(important, essential, basic, fundamental)
1
life-or-death(adjective, important, significant, essential)
1
meaningful(adjective, big, unusual, heavy, important)
1
meat-and-potatoes(important, essential, basic, fundamental)
1
name(adjective, important, significant, essential)
1
name-of-the-game(adjective, important, significant, essential)
1
necessary(important, essential, basic, fundamental)
1
needed(important, essential, basic, fundamental)
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ChicagoSmart Define. 2015. "underlined thesaurus" https://smartdefine.org/underlined/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, underlined thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/underlined/thesaurus/synonyms>.
MLASmart Define. "underlined thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/underlined/thesaurus/synonyms>