19 entries under key topic. ×

3
fundamental(adjective, important, essential, critical, basic)
2
basic(adjective, important, essential, critical, fundamental)
2
necessary(adjective, important, essential, critical, basic)
1
bottom-line(adjective, important, essential, critical, basic)
1
cardinal(adjective, important, essential, critical, basic)
1
coal-and-ice(adjective, important, significant, essential, critical)
1
constitutive(adjective, important, essential, critical, basic)
1
decisive(adjective, important, essential, critical, basic)
1
heavy(adjective, important, significant, essential, critical)
1
integral(adjective, important, essential, critical, basic)
1
meat-and-potatoes(adjective, important, significant, essential, critical)
1
name(adjective, important, significant, essential, critical)
1
name-of-the-game(adjective, important, significant, essential, critical)
1
needed(adjective, important, essential, critical, basic)
1
nitty-gritty(adjective, important, essential, critical, basic)
1
prerequisite(adjective, important, essential, critical, basic)
1
required(adjective, important, essential, critical, basic)
1
requisite(adjective, important, essential, critical, basic)
1
underlined(adjective, important, significant, essential, critical)
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APASmart Define. (2015). life-or-death thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/life-or-death/thesaurus/synonyms
ChicagoSmart Define. 2015. "life-or-death thesaurus" https://smartdefine.org/life-or-death/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, life-or-death thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/life-or-death/thesaurus/synonyms>.
MLASmart Define. "life-or-death thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/life-or-death/thesaurus/synonyms>