32 entries under straightforward topic. ×

1
duck soup(expression, adjective, simple, basic)
1
easy(adjective, simple, basic, fundamental)
1
facile(adjective, simple, basic, fundamental)
1
meat and potatoes(expression, adjective, idiom, simple)
1
prefatory(adjective, simple, basic, fundamental)
1
preliminary(adjective, simple, basic, fundamental)
1
primo(adjective, simple, basic, fundamental)
1
simplest(adjective, simple, basic, fundamental)
1
simplex(adjective, simple, basic, fundamental)
1
simplified(adjective, simple, basic, fundamental)
1
uncomplex(adjective, simple, basic, fundamental)
1
uncomplicated(adjective, simple, basic, fundamental)
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APASmart Define. (2015). foundational thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/foundational/thesaurus/synonyms
ChicagoSmart Define. 2015. "foundational thesaurus" https://smartdefine.org/foundational/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, foundational thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/foundational/thesaurus/synonyms>.
MLASmart Define. "foundational thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/foundational/thesaurus/synonyms>