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

62 entries under adjective topic. ×

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basic(significant, essential, vital, fundamental)
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cardinal(significant, essential, basic, vital)
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earth-shaking(important, serious, critical, earthshaking)
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earth-shattering(important, serious, critical, earthshaking)
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earthshaking(important, serious, critical)
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earthshattering(important, serious, critical, earthshaking)
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elementary(significant, essential, basic, vital)
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exceptive(significant, serious, vital, grave)
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extremely important(expression, important, serious, critical)
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famous
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high-priority(significant, serious, vital, grave)
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high priority(expression, significant, serious, vital)
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key
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life and death(expression, idiom, earthshaking)
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life or death(expression, idiom, important, serious)
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much-repeated
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of vital importance(expression, idiom, important, serious)
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prime(significant, essential, basic, vital)
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principal(significant, essential, basic, vital)
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special
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APASmart Define. (2015). all-important thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/all-important/thesaurus/synonyms
ChicagoSmart Define. 2015. "all-important thesaurus" https://smartdefine.org/all-important/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, all-important thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/all-important/thesaurus/synonyms>.
MLASmart Define. "all-important thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/all-important/thesaurus/synonyms>