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

136 entries under significant topic. ×

4
required(adjective, important, serious, capital)
3
conclusive(adjective, important, determined, serious)
3
distinguished(adjective, great, extraordinary, important)
3
elementary(adjective, important, original, essential)
3
historic(great, extraordinary, important, lively)
3
needed(adjective, important, capital, essential)
3
needful(adjective, important, original, capital)
3
obligatory(adjective, important, essential, critical)
3
paramount(adjective, important, original, serious)
3
prime(adjective, important, original, essential)
3
radical(adjective, great, important, original)
3
relevant(adjective, big, substantial, valuable)
3
rudimentary(adjective, important, original, basic)
2
dangerous(adjective, great, severe, serious)
2
basal(adjective, important, original, essential)
2
big(heavy, important, substantial, valuable)
2
bottom-line(adjective, important, original, essential)
2
compulsory(adjective, important, essential, critical)
2
considerable(adjective, big, heavy, important, powerful)
2
constitutional(adjective, important, original, basic)
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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>