141 entries under important topic. ×

1
dynamite(big, significant, substantial, large)
1
fab(big, significant, substantial, large)
1
fat(big, significant, substantial, large)
1
grass-roots(adjective, significant, original, basic)
1
importunate(adjective, big, significant, substantial)
1
instant(adjective, serious, critical, vital)
1
keynote(noun, adjective, support, action, base)
1
life or death(expression, need, serious, critical)
1
meat-and-potatoes(adjective, significant, original, critical)
1
mondo(big, significant, substantial, large)
1
noteworthy(big, significant, substantial, large)
1
powerful(adjective, prominent, exalted)
1
primordial(simple, significant, original, basic)
1
prominent(adjective, outstanding, head, prime)
1
renowned(big, significant, substantial, large)
1
ruling(adjective, significant, serious, prominent)
1
salient(big, significant, substantial, valuable)
1
solid gold(expression, big, significant, substantial)
1
something(big, significant, substantial, large)
1
something else(expression, big, significant, substantial)
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APASmart Define. (2016). essential thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/essential/thesaurus/synonyms
ChicagoSmart Define. 2016. "essential thesaurus" https://smartdefine.org/essential/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, essential thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/essential/thesaurus/synonyms>.
MLASmart Define. "essential thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/essential/thesaurus/synonyms>