Synonyms|56Antonyms|4|Broader|3Narrower|0Related|13

2 entries under idiom topic. ×

1
life or death(expression, need, essential, requirement)
1
sine qua non(expression, need, essential, requirement)
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APASmart Define. (2013). indispensability thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/indispensability/thesaurus/synonyms
ChicagoSmart Define. 2013. "indispensability thesaurus" https://smartdefine.org/indispensability/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2013, indispensability thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/indispensability/thesaurus/synonyms>.
MLASmart Define. "indispensability thesaurus" 28 June 2013. Web. 23 September 2026. <https://smartdefine.org/indispensability/thesaurus/synonyms>