55 entries under critical topic. ×

1
coal-and-ice(important, essential, basic, fundamental)
1
constitutive(important, essential, basic, fundamental)
1
determining(big, important, significant, substantial, serious)
1
fundamental(adjective, important, significant, essential)
1
integral(important, significant, serious, essential)
1
key(important, significant, essential, basic)
1
meat-and-potatoes(important, essential, basic, fundamental)
1
name(important, essential, fundamental, decisive)
1
name-of-the-game(important, essential, basic, fundamental)
1
nitty-gritty(important, essential, basic, fundamental)
1
prerequisite(adjective, important, significant, essential)
1
underlined(important, essential, basic, fundamental)
0
coal and ice(expression, idiom, important, essential)
0
meat and potatoes(expression, idiom, decisive)
0
name of the game(expression, idiom, important, essential)
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APASmart Define. (2015). urgent thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/urgent/thesaurus/synonyms
ChicagoSmart Define. 2015. "urgent thesaurus" https://smartdefine.org/urgent/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, urgent thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/urgent/thesaurus/synonyms>.
MLASmart Define. "urgent thesaurus" 3 August 2015. Web. 30 September 2026. <https://smartdefine.org/urgent/thesaurus/synonyms>