Synonyms|949Antonyms|256|Broader|10Narrower|11Related|1.1k

115 entries under significant topic. ×

7
serious(adjective, great, severe, firm, extraordinary)
7
settled(adjective, set, firm, determined)
6
deciding(adjective, important, definite, serious)
6
earnest(adjective, firm, big, determined)
6
vital(adjective, severe, big, important)
5
bent(adjective, set, firm, determined)
5
imperative(adjective, big, important, substantial)
5
weighty(adjective, powerful, substantial, serious)
4
essential(adjective, severe, big, important)
4
key(adjective, important, essential, critical)
3
consequential(adjective, important, lively, serious)
3
strong-minded(adjective, firm, determined, definite)
2
basic(adjective, important, essential, critical)
2
binding(adjective, set, severe, firm, powerful)
2
compelling(adjective, strong, important, definite)
2
compulsory(adjective, set, essential, basic)
2
determining(adjective, firm, big, substantial)
2
eventful(adjective, great, extraordinary, important, lively)
2
exigent(adjective, great, big, substantial)
2
grave(adjective, severe, big, substantial)
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MLASmart Define. "decisive thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/decisive/thesaurus/synonyms>