98 entries under basic topic. ×

23
undeveloped(adjective, simple, coarse, natural, straightforward)
19
elementary(adjective, start, simple, plain, important)
19
fundamental(adjective, simple, plain, important, head)
18
primitive(adjective, simple, plain, important, coarse)
16
vestigial(adjective, simple, fresh, crude)
15
primary(adjective, simple, plain, important, head)
10
elemental(adjective, simple, plain, important, significant)
10
embryonic(adjective, simple, fundamental, hidden)
10
immature(adjective, simple, natural, fundamental)
10
initial(adjective, simple, plain, head, beginning)
10
underlying(adjective, simple, plain, important, significant)
8
beginning(noun, adjective, start, simple, plain)
8
essential(adjective, simple, plain, important, significant)
8
first(adjective, order, important, significant, fresh)
8
rough(adjective, simple, coarse, natural, inadequate)
7
basal(adjective, start, simple, plain, important)
6
introductory(adjective, simple, plain, head, beginning)
6
primordial(adjective, important, head, significant, beginning)
5
abecedarian(adjective, simple, straightforward, fundamental)
5
cardinal(noun, adjective, important, head, significant)
11 years ago|11k views|share |citing 
APASmart Define. (2015). rudimentary thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/rudimentary/thesaurus/synonyms
ChicagoSmart Define. 2015. "rudimentary thesaurus" https://smartdefine.org/rudimentary/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, rudimentary thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/rudimentary/thesaurus/synonyms>.
MLASmart Define. "rudimentary thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/rudimentary/thesaurus/synonyms>