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

25 entries under serious topic. ×

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high priority(expression, adjective, significant, vital)
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life or death(expression, adjective, idiom, important)
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of vital importance(expression, adjective, idiom, important)
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urgently important(expression, adjective, significant, vital)
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vitally important(expression, adjective, important, critical)
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APASmart Define. (2015). all-important thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/all-important/thesaurus/synonyms
ChicagoSmart Define. 2015. "all-important thesaurus" https://smartdefine.org/all-important/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, all-important thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/all-important/thesaurus/synonyms>.
MLASmart Define. "all-important thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/all-important/thesaurus/synonyms>