147 entries under adjective topic. ×

8
unfinished(simple, natural, crude, deficient)
7
basal(start, simple, plain, important)
7
incomplete(hard, inadequate, raw, deficient)
6
introductory(simple, plain, head, beginning)
6
inchoate(beginning, undeveloped)
6
primal
6
primordial(important, head, significant, beginning)
6
rude(crude, primitive)
5
abecedarian(simple, straightforward, basic, fundamental)
5
cardinal(noun, important, head, significant)
5
original(simple, plain, important, head)
5
principal(important, significant, original, essential)
5
simple(natural, straightforward, crude, basic)
5
underdeveloped(simple, crude, naive, hidden)
5
unprocessed(hard, simple, coarse, natural)
4
central(important, significant, original, essential)
4
initiatory
4
key(important, head, significant, beginning)
4
prime(important, head, significant, beginning)
4
radical(important, significant, original, essential)
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APASmart Define. (2015). rudimentary thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/rudimentary/thesaurus/synonyms
ChicagoSmart Define. 2015. "rudimentary thesaurus" https://smartdefine.org/rudimentary/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, rudimentary thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/rudimentary/thesaurus/synonyms>.
MLASmart Define. "rudimentary thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/rudimentary/thesaurus/synonyms>