Synonyms|8Antonyms|2|Broader|2Narrower|0Related|2
5
indispensability
4
indispensableness
0
case of emergency
0
case of need
0
grave affair
0
matter of life and death(noun, matter)
0
necessitude
0
urgent matter
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APASmart Define. (2013). vitalness thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/vitalness/thesaurus/synonyms
ChicagoSmart Define. 2013. "vitalness thesaurus" https://smartdefine.org/vitalness/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, vitalness thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/vitalness/thesaurus/synonyms>.
MLASmart Define. "vitalness thesaurus" 28 June 2013. Web. 20 September 2026. <https://smartdefine.org/vitalness/thesaurus/synonyms>