64 entries under simple topic. ×

1
brutish(adjective, rough, crude, basic)
1
childlike(adjective, rough, crude, basic)
1
duck soup(expression, straightforward, basic, fundamental)
1
facile(straightforward, basic, fundamental, uncomplicated)
1
formless(adjective, hard, rough, coarse)
1
meat and potatoes(expression, idiom, important, straightforward)
1
naive(adjective, rough, crude, basic)
1
nonliterate(adjective, rough, crude, basic)
1
preliminary(opening, straightforward, basic, first)
1
preliterate(adjective, rough, crude, basic)
1
primo(straightforward, original, basic, fundamental)
1
shapeless(adjective, hard, rough, coarse)
1
simplest(adjective, straightforward, basic, fundamental)
1
simplex(straightforward, basic, fundamental, uncomplicated)
1
simplified(straightforward, basic, fundamental, uncomplicated)
1
uncomplex(straightforward, basic, fundamental, uncomplicated)
1
uncomplicated(adjective, straightforward, basic, fundamental)
1
undomesticated(adjective, rough, crude, basic)
1
unlearned(adjective, rough, crude, basic)
1
untaught(adjective, coarse, natural, raw)
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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>