77 entries under adjective topic. ×

22
central(main, private, mental, focus)
13
essential(important, significant, main, private)
10
main(important, significant, key, chief)
7
principal(key, chief, focus, foremost)
6
fundamental(important, significant, key, main)
6
pivotal(important, central)
6
vital(key, chief, foremost)
5
convergent
4
interior(private, mental, central, inner)
4
important
4
inner(private, mental, central, physically)
4
key(important, significant, main, chief)
4
middle(central, centrality)
4
primary(important, significant, key, main)
4
prime(important, significant, key, main)
3
chief(important, significant, key, main)
3
core(key, chief, central, foremost)
3
approaching
3
asymptotic
3
basic
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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>