87 entries under basic topic. ×

2
substratal(adjective, simple, plain, important, significant)
2
undeveloped(adjective, new, fresh, first)
1
ABCs(simple, straightforward, fundamental, uncomplicated)
1
amoebic(material, natural, living, functional)
1
animate(material, natural, living, functional)
1
axiological(adjective, important, significant, essential)
1
axiomatic(important, significant, vital, primary)
1
biological(material, natural, living, functional)
1
biotic(material, natural, living, functional)
1
bottom(adjective, important, significant, essential)
1
bottom-line(important, significant, vital, fundamental)
1
cellular(material, natural, living, functional)
1
clear(simple, pure, straightforward, fundamental)
1
deep-seated(characteristic, essential, primary, intrinsic)
1
duck soup(expression, simple, straightforward, fundamental)
1
easy(simple, straightforward, fundamental, uncomplicated)
1
facile(simple, straightforward, fundamental, uncomplicated)
1
fixed(adjective, characteristic, wild, natural, individual)
1
grass-roots(adjective, important, significant, essential)
1
ingrained(adjective, characteristic, true, natural, individual)
10 years ago|34k views|share |citing 
APASmart Define. (2016). original thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/original/thesaurus/synonyms
ChicagoSmart Define. 2016. "original thesaurus" https://smartdefine.org/original/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, original thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/original/thesaurus/synonyms>.
MLASmart Define. "original thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/original/thesaurus/synonyms>