2
sketchy(adjective, simple, coarse, natural, inadequate)
2
straightforward(adjective, simple, basic, fundamental, uncomplicated)
2
substratal(adjective, simple, plain, important, significant)
2
unfashioned(adjective, hard, simple, rough, coarse)
2
unhewn(adjective, hard, simple, rough, coarse)
2
unworked
2
vital(adjective, important, significant, original, essential)
1
abecedary
1
abridged
1
ahead(adjective, head, beginning, opening, original)
1
alphabetic
1
antecedent(adjective, head, beginning, opening, original)
1
antenatal
1
anterior(adjective, head, beginning, fresh, original)
1
arrested
1
atavistic(adjective, simple, rough, crude, basic)
1
atomic
1
atrophied
1
austere(adjective, hard, simple, crude, basic)
1
axiological(adjective, important, significant, original, essential)
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APASmart Define. (2015). rudimentary thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/rudimentary/thesaurus/synonyms
ChicagoSmart Define. 2015. "rudimentary thesaurus" https://smartdefine.org/rudimentary/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, rudimentary thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/rudimentary/thesaurus/synonyms>.
MLASmart Define. "rudimentary thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/rudimentary/thesaurus/synonyms>