191 entries under adjective topic. ×

1
powerful(important, prominent, effective, valid)
1
prerequisite(important, significant, capital, essential)
1
quintessential(important, significant, essential, basic)
1
resolute
1
searching(important, critical)
1
substratal(important, significant, original, essential)
1
touchy(important, critical)
1
ugly(tough, severe, heavy, important)
1
urgently important(expression, significant, serious, vital)
1
wanted(important, significant, serious, capital)
1
world-shaking
1
world class(slang, top)
0
afflictive(severe, heavy, serious, acute)
0
arch(important, grand, prominent, main)
0
big league
0
binding(significant, essential, basic, vital)
0
called-for
0
capping(last, final, eventual)
0
chips down(expression, last, final, eventual)
0
climatic(important, critical)
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APASmart Define. (2016). crucial thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/crucial/thesaurus/synonyms
ChicagoSmart Define. 2016. "crucial thesaurus" https://smartdefine.org/crucial/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, crucial thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/crucial/thesaurus/synonyms>.
MLASmart Define. "crucial thesaurus" 11 March 2016. Web. 30 September 2026. <https://smartdefine.org/crucial/thesaurus/synonyms>