40 entries under boss topic. ×

19
primary(adjective, lead, important, head, significant)
18
key(adjective, lead, important, head, master)
18
cardinal(noun, adjective, lead, important, head)
16
chief(adjective, lead, important, head, significant)
15
main(adjective, lead, important, head, significant)
15
prime(adjective, lead, important, head, significant)
14
principal(adjective, lead, important, head, significant)
11
core(adjective, lead, head, master, essential)
11
foremost(adjective, lead, head, significant, master)
11
primal(adjective, lead, head, master)
8
capital(noun, adjective, lead, head, master)
7
major(adjective, lead, important, head, significant)
6
master(adjective, lead, head, main)
4
arch(adjective, lead, head, master)
4
premier(adjective, lead, head, master)
4
star(adjective, lead, head, master)
3
basal(adjective, lead, head, master)
3
banner(adjective, lead, head, master)
3
broad(adjective, lead, head, master)
3
grand(adjective, lead, head, master)
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APASmart Define. (2015). central thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/central/thesaurus/synonyms
ChicagoSmart Define. 2015. "central thesaurus" https://smartdefine.org/central/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, central thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/central/thesaurus/synonyms>.
MLASmart Define. "central thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/central/thesaurus/synonyms>