30 entries under key topic. ×

10
main(adjective, important, significant, chief)
7
principal(adjective, chief, focus, foremost)
6
fundamental(adjective, important, significant, main)
6
vital(adjective, chief, foremost)
4
primary(adjective, important, significant, main)
4
prime(adjective, important, significant, main)
3
chief(adjective, important, significant, main)
3
core(adjective, chief, central, foremost)
3
foremost(adjective, important, significant, main)
2
capital(chief, foremost)
2
cardinal(important, significant, main, chief)
2
critical(adjective, chief, foremost)
2
crucial(adjective, chief, principal, foremost)
2
leading(important, significant, main, chief)
2
paramount(important, significant, main, chief)
2
predominant(important, significant, main, chief)
2
preeminent(chief, foremost)
2
prevailing(chief, foremost)
2
star(chief, foremost)
2
stellar(chief, foremost)
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APASmart Define. (2015). focal thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/focal/thesaurus/synonyms
ChicagoSmart Define. 2015. "focal thesaurus" https://smartdefine.org/focal/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, focal thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/focal/thesaurus/synonyms>.
MLASmart Define. "focal thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/focal/thesaurus/synonyms>