110 entries under basic topic. ×

3
lowest(adjective, easy, base, last)
3
main(adjective, lead, head, master, essential)
3
primitive(adjective, body, simple, plain, material)
3
primordial(adjective, important, original, vital)
2
abecedarian(simple, straightforward, fundamental, uncomplicated)
2
clear(adjective, simple, pure, straightforward)
2
constitutional(adjective, body, material, important, significant)
2
crucial(adjective, important, significant, original, essential)
2
easy(adjective, simple, straightforward, uncomplicated)
2
embryonic(simple, fundamental, elementary)
2
initial(adjective, simple, easy, straightforward)
2
material(adjective, body, absolute, fundamental)
2
plain(adjective, simple, pure, straightforward)
2
substratal(adjective, simple, plain, important, significant)
2
uncomplicated(simple, straightforward)
1
ABCs(simple, straightforward, uncomplicated)
1
amoebic(material, natural, living, functional)
1
anatomical(material, natural, living, functional)
1
animate(material, natural, living, functional)
1
axiological(important, original, vital, primary)
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APASmart Define. (2015). basal thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/basal/thesaurus/synonyms
ChicagoSmart Define. 2015. "basal thesaurus" https://smartdefine.org/basal/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, basal thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/basal/thesaurus/synonyms>.
MLASmart Define. "basal thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/basal/thesaurus/synonyms>