19 entries under fundamental topic. ×

55
natural(adjective, living, biological, vital, live)
38
vital(adjective, natural, basic, important, significant)
37
constitutional(adjective, essential, basic, vital, important)
35
basic(adjective, essential, important, vital, significant)
32
inherent(adjective, natural, structural, essential, living)
29
structural(adjective, basic, natural, vital)
27
primary(adjective, essential, basic, vital, important)
27
essential(adjective, basic, vital, important, significant)
24
innate(adjective, natural, living, inherent, nature)
23
integral(adjective, basic, vital, total, important)
18
basal(adjective, basic, essential, vital, important)
15
original(adjective, basic, vital, important, significant)
13
primitive(adjective, basic, vital, important, significant)
13
anatomical(adjective, basic, natural, living, biological)
11
intrinsic(adjective, important, significant, essential, basic)
10
native(adjective, fresh, unrefined, nature, characteristic)
10
radical(adjective, basic, essential, important, significant)
7
cardinal(adjective, important, significant, essential, basic)
7
immanent(adjective, nature, characteristic, quality, life)
11 years ago|33k views|share |citing 
APASmart Define. (2015). organic thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/organic/thesaurus/synonyms
ChicagoSmart Define. 2015. "organic thesaurus" https://smartdefine.org/organic/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, organic thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/organic/thesaurus/synonyms>.
MLASmart Define. "organic thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/organic/thesaurus/synonyms>