400 entries under adjective topic. ×

10
key(important, head, significant, beginning)
10
premier(order, top, superior, heavy)
10
presiding(verb, master, domineering, controlling)
9
advance(noun, time, progress, development)
9
arch(order, top, superior, heavy)
9
front(order, lead, heavy, head)
9
highest(order, quality, bad, tough)
9
stellar(quality, tough, top, superior)
8
antecedent(noun, head, beginning, original)
8
authoritative
8
avant-garde(noun, sophisticated, higher, developed)
8
central(top, important, head, essential)
8
first-rate(feature, state, characteristic, quality)
8
forward(adverb, time, head, sophisticated)
8
grand(great, fine, solid, important)
8
high(important, rank, worthy, post)
8
initial(order, heavy, important, head)
8
peerless(bad, great, tough, top)
8
powerful(good, strong, great, excellent)
8
preeminent(order, bad, great, tough)
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APASmart Define. (2015). leading thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/leading/thesaurus/synonyms
ChicagoSmart Define. 2015. "leading thesaurus" https://smartdefine.org/leading/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, leading thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/leading/thesaurus/synonyms>.
MLASmart Define. "leading thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/leading/thesaurus/synonyms>