80 entries under important topic. ×

15
head(noun, adjective, order, top, excellent)
15
cardinal(noun, adjective, lead, importance)
14
highest(adjective, order, bad, tough, top)
12
initial(adjective, order, top, beginning)
12
major(adjective, top, lead, superior)
11
capital(noun, adjective, bad, tough, top)
11
preeminent(adjective, order, bad, great, tough)
11
top(adjective, great, top, excellent, superior)
10
inaugural(adjective, order, beginning, original)
10
notable(adjective, great, excellent, solid, extraordinary)
9
greatest(adjective, bad, tough, top, excellent)
9
arch(adjective, order, top, lead, superior)
9
prominent(adjective, great, solid, extraordinary)
8
essential(adjective, importance, big, significant)
8
outstanding(adjective, bad, great, tough, top)
7
key(adjective, lead, head, master)
6
noted(adjective, great, solid, extraordinary)
6
number one(verb, expression, adjective, phrasal verb, order)
4
celebrated(adjective, great, famous, outstanding)
4
great(adjective, famous, outstanding, significant)
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APASmart Define. (2015). foremost thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/foremost/thesaurus/synonyms
ChicagoSmart Define. 2015. "foremost thesaurus" https://smartdefine.org/foremost/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, foremost thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/foremost/thesaurus/synonyms>.
MLASmart Define. "foremost thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/foremost/thesaurus/synonyms>