77 entries under head topic. ×

5
staple(adjective, lead, master, basic)
4
base(noun, adjective, part, lead)
4
crux(noun, adjective, cause, lead)
4
premier(adjective, lead, important, beginning)
3
basal(adjective, lead, important, significant)
3
capital(adjective, lead, important, master)
3
master(adjective, lead, boss, exemplary)
3
primordial(adjective, important, significant, beginning)
3
rudimentary(adjective, important, significant, beginning)
3
star(adjective, lead, master, boss)
2
aboriginal(adjective, beginning, opening, original)
2
cipher(noun, answer, confidence, solution)
2
number one(adjective, lead, important, master)
2
original(adjective, important, significant, beginning)
2
primeval(adjective, beginning, opening, original)
2
primitive(adjective, important, significant, beginning)
1
ahead(adjective, beginning, opening, original)
1
antecedent(adjective, beginning, opening, original)
1
anterior(adjective, beginning, opening, original)
1
arch(adjective, lead, master, boss)
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APASmart Define. (2016). key thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/key/thesaurus/synonyms
ChicagoSmart Define. 2016. "key thesaurus" https://smartdefine.org/key/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, key thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/key/thesaurus/synonyms>.
MLASmart Define. "key thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/key/thesaurus/synonyms>