60 entries under principal topic. ×

1
inaugural(adjective, order, heavy, important, head)
1
initial(adjective, order, heavy, important, head)
1
momentous(adjective, bad, great, excellent, superior)
1
most important(expression, adjective, order, top, heavy)
1
popular(adjective, important, famous, prominent, main)
1
prominent(adjective, important, wonderful, famous, exceptional)
1
ruling(adjective, important, head, original, prominent)
1
skipper(noun, head, effort, boss, leader)
1
tough(quality, superior, heavy, best)
1
well-known(adjective, bad, great, excellent, important)
0
controlling(adjective, essential, main, primary)
0
dominating(adjective, important, prominent, foremost)
0
especial(adjective, popular, main, primary)
0
essential(adjective, main, primary, central)
0
governing(adjective, important, prominent, foremost)
0
key player(noun, expression, boss, leader)
0
linchpin(noun, boss, leader, superstar)
0
noted(adjective, important, prominent, foremost)
0
state-of-the-art(quality, tough, superior, heavy, best)
0
vital(adjective, essential, main, primary)
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APASmart Define. (2016). number one thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/number_one/thesaurus/synonyms
ChicagoSmart Define. 2016. "number one thesaurus" https://smartdefine.org/number_one/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, number one thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/number_one/thesaurus/synonyms>.
MLASmart Define. "number one thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/number_one/thesaurus/synonyms>