151 entries under important topic. ×

8
central(adjective, top, head, essential)
8
grand(adjective, great, fine, solid)
8
high(adjective, rank, worthy, post)
8
initial(adjective, order, heavy, head)
8
powerful(adjective, good, strong, great, excellent)
8
preeminent(adjective, order, bad, great, tough)
7
great(adjective, top, wonderful, famous)
7
momentous(adjective, feature, state, characteristic, good)
7
notable(adjective, great, excellent, solid)
7
noted(adjective, great, solid, powerful)
7
noteworthy(adjective, great, solid, powerful)
7
overriding(adjective, feature, state, characteristic)
7
significant(adjective, good, powerful, rank)
6
celebrated(adjective, great, wonderful, famous)
6
famed(adjective, great, knowledge, famous)
5
excellent(adjective, time, quality, great, top)
5
fundamental(adjective, head, significant, beginning)
5
high-ranking(adjective, solid, powerful, rank)
5
illustrious(adjective, great, solid, powerful)
4
basic(adjective, head, significant, beginning)
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APASmart Define. (2015). leading thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/leading/thesaurus/synonyms
ChicagoSmart Define. 2015. "leading thesaurus" https://smartdefine.org/leading/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, leading thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/leading/thesaurus/synonyms>.
MLASmart Define. "leading thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/leading/thesaurus/synonyms>