98 entries under basic topic. ×

1
structural(important, significant, original, vital)
1
substrative(adjective, important, significant, original, essential)
1
supporting(adjective, important, significant, original, essential)
1
sustaining(adjective, important, significant, original, essential)
1
theoretical(adjective, important, significant, original, essential)
1
uncomplex(simple, straightforward, fundamental, uncomplicated)
1
uncomplicated(adjective, simple, straightforward, fundamental)
1
underived(adjective, rough, important, significant, fresh)
1
undomesticated(adjective, simple, rough, crude)
1
undressed(adjective, hard, rough, raw)
1
unlearned(adjective, simple, rough, crude)
1
untutored(adjective, simple, rough, crude)
0
bottom line(expression, important, significant, essential)
0
cursory(adjective, hard, rough, raw)
0
earliest(simple, original, first, unsophisticated)
0
larval(adjective, fundamental)
0
spartan(adjective, hard, rough, raw)
0
underivative(simple, first, unsophisticated, previous)
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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>