Synonyms|679Antonyms|135|Broader|7Narrower|8Related|331

136 entries under significant topic. ×

1
of substance(expression, big, substantial, valuable)
1
ominous(adjective, heavy, important, acute)
1
perilous(adjective, heavy, serious, vital)
1
prerequisite(adjective, important, capital, essential)
1
quintessential(adjective, important, essential, basic)
1
something(big, outstanding, substantial, valuable)
1
standout(great, extraordinary, big, substantial)
1
structural(important, original, basic, vital)
1
substratal(adjective, important, original, essential)
1
substrative(important, original, basic, vital)
1
supporting(important, original, basic, vital)
1
sustaining(important, original, basic, vital)
1
theoretical(important, original, basic, vital)
1
ugly(adjective, tough, severe, heavy, important)
1
underived(important, original, basic, vital)
1
urgently important(expression, adjective, serious, vital)
1
valuable(big, substantial, useful, vital)
1
wanted(adjective, important, serious, capital)
0
important serious(expression, important, historic)
0
binding(adjective, essential, basic, vital)
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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>