66 entries under critical topic. ×

1
cardinal(adjective, important, significant, essential)
1
central(important, significant, vital, fundamental)
1
chief(adjective, great, big, important, significant)
1
coal-and-ice(important, essential, basic, fundamental)
1
desperate(severe, important, significant, serious)
1
dire(severe, important, significant, serious)
1
fundamental(adjective, important, significant, essential)
1
heavy(great, important, significant, substantial, essential)
1
indispensable(adjective, important, significant, essential)
1
integral(important, significant, serious, essential)
1
life-or-death(important, essential, basic, fundamental)
1
meaningful(important, significant, substantial, valuable, essential)
1
meat-and-potatoes(important, essential, basic, fundamental)
1
name(important, essential, basic, fundamental)
1
name-of-the-game(important, essential, basic, fundamental)
1
needed(adjective, important, significant, essential)
1
nitty-gritty(important, essential, basic, fundamental)
1
prerequisite(adjective, important, significant, essential)
1
pressing(adjective, big, significant, substantial, large)
1
principal(adjective, great, big, important, significant)
11 years ago|19k views|share |citing 
APASmart Define. (2015). decisive thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/decisive/thesaurus/synonyms
ChicagoSmart Define. 2015. "decisive thesaurus" https://smartdefine.org/decisive/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, decisive thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/decisive/thesaurus/synonyms>.
MLASmart Define. "decisive thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/decisive/thesaurus/synonyms>