60 entries under topmost topic. ×

42
prime(adjective, order, body, start, excellent)
40
principal(adjective, order, body, top, excellent)
36
chief(adjective, order, top, excellent, lead)
36
main(adjective, top, lead, fine, superior)
32
essential(adjective, body, simple, plain, importance)
27
first(adjective, order, start, top, excellent)
24
foremost(adjective, order, top, excellent, lead)
24
leading(adjective, order, top, excellent, fine)
21
paramount(adjective, good, order, excellent, fine)
21
cardinal(noun, adjective, lead, importance, important)
18
capital(noun, adjective, good, excellent, lead)
16
central(adjective, lead, important, head, significant)
16
dominant(adjective, top, excellent, big, important)
15
major(adjective, good, top, lead, fine)
14
key(adjective, lead, important, head, significant)
14
predominant(adjective, good, important, exceptional, head)
11
premier(adjective, order, top, lead, superior)
11
vital(adjective, body, importance, material, big)
10
arch(adjective, order, top, lead, superior)
10
highest(adjective, order, top, excellent, superior)
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APASmart Define. (2016). primary thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/primary/thesaurus/synonyms
ChicagoSmart Define. 2016. "primary thesaurus" https://smartdefine.org/primary/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, primary thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/primary/thesaurus/synonyms>.
MLASmart Define. "primary thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/primary/thesaurus/synonyms>