36 entries under adjective topic. ×

7
organic(natural, vital, live, living)
5
vital(feature, characteristic, detail)
4
important
3
basal
3
biogenic
3
constituent
3
constitutional
3
constitutive
3
life-sustaining
3
must
3
no-frills
3
primary
3
staple
3
substantial
2
gargantuan
2
substantive
2
virtual
1
main focus(control, lead, command, direction)
1
necessary
0
actual
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APASmart Define. (2016). essential thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/essential/thesaurus/related
ChicagoSmart Define. 2016. "essential thesaurus" https://smartdefine.org/essential/thesaurus/related (accessed September 25, 2026).
HarvardSmart Define 2016, essential thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/essential/thesaurus/related>.
MLASmart Define. "essential thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/essential/thesaurus/related>