375 entries under adjective topic. ×

16
dominant(top, excellent, big, important)
15
major(good, top, lead, fine)
14
initial(order, start, simple, plain)
14
key(lead, important, head, significant)
14
pre-eminent
14
predominant(good, important, exceptional, head)
14
primitive(body, cause, start, simple)
14
underlying(simple, plain, base, important)
13
basal(body, simple, lead, plain)
13
direct(clear, top, exact, active)
12
rudimentary(simple, plain, important, head)
11
aboriginal(cause, violent, pure, head)
11
premier(order, top, lead, superior)
11
primal(lead, pure, head, master)
11
radical(cause, base, importance, important)
11
vital(body, importance, material, big)
10
arch(order, top, lead, superior)
10
highest(order, top, excellent, superior)
10
introductory(simple, plain, head, beginning)
10
primordial(cause, start, violent, important)
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APASmart Define. (2016). primary thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/primary/thesaurus/synonyms
ChicagoSmart Define. 2016. "primary thesaurus" https://smartdefine.org/primary/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, primary thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/primary/thesaurus/synonyms>.
MLASmart Define. "primary thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/primary/thesaurus/synonyms>