30 entries under uncomplicated topic. ×

5
simple(adjective, straightforward, basic, fundamental)
3
elementary(adjective, simple, straightforward, basic, undemanding)
3
plain(simple, straightforward, basic, fundamental)
2
easy(adjective, simple, straightforward, basic, fundamental)
1
ABCs(simple, straightforward, basic, fundamental, undemanding)
1
abecedarian(simple, straightforward, basic, fundamental)
1
basal(simple, straightforward, basic)
1
basic(simple, straightforward)
1
beginning(simple, straightforward, basic, fundamental)
1
clear(simple, straightforward, basic, fundamental)
1
elemental(simple, straightforward, basic, fundamental)
1
essential(simple, straightforward, basic, fundamental)
1
facile(simple, straightforward, basic, fundamental)
1
foundational(simple, straightforward, basic, fundamental, undemanding)
1
fundamental(simple, straightforward, basic)
1
initial(simple, straightforward, basic, fundamental)
1
introductory(simple, straightforward, basic, fundamental)
1
original(simple, straightforward, basic, fundamental)
1
prefatory(simple, straightforward, basic, fundamental)
1
preliminary(simple, straightforward, basic, fundamental)
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APASmart Define. (2013). simplex thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/simplex/thesaurus/synonyms
ChicagoSmart Define. 2013. "simplex thesaurus" https://smartdefine.org/simplex/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, simplex thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/simplex/thesaurus/synonyms>.
MLASmart Define. "simplex thesaurus" 28 June 2013. Web. 20 September 2026. <https://smartdefine.org/simplex/thesaurus/synonyms>