32 entries under straightforward topic. ×

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original(simple, basic, fundamental, uncomplicated)
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prefatory(simple, basic, fundamental, uncomplicated)
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preliminary(simple, basic, fundamental, uncomplicated)
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primary(simple, basic, uncomplicated)
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primitive(simple, basic, fundamental, uncomplicated)
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primo(simple, basic, fundamental, undemanding)
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rudimentary(simple, basic, fundamental, uncomplicated)
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simplest(simple, basic, fundamental, uncomplicated)
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simplified(simple, basic, fundamental, uncomplicated)
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substratal(simple, basic, fundamental, undemanding)
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uncomplex(simple, basic, fundamental, undemanding)
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underlying(simple, basic, uncomplicated)
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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>