107 entries under fundamental topic. ×

2
substratal(adjective, simple, plain, important, significant)
1
ABCs(simple, straightforward, basic, uncomplicated)
1
bottom(adjective, important, significant, original, essential)
1
bottom-line(adjective, important, significant, original, essential)
1
duck soup(expression, simple, straightforward, basic)
1
easy(simple, straightforward, basic, uncomplicated)
1
facile(simple, straightforward, basic, uncomplicated)
1
indispensable(adjective, important, significant, original, essential)
1
meat and potatoes(expression, adjective, idiom, simple, plain)
1
nitty-gritty(adjective, original, basic, absolute)
1
nub(adjective, original, basic, absolute)
1
perfect(adjective, complete, basic, absolute)
1
prefatory(simple, opening, straightforward, basic)
1
preliminary(adjective, simple, opening, straightforward, basic)
1
primo(simple, straightforward, basic, uncomplicated)
1
simplest(simple, straightforward, basic, uncomplicated)
1
simplex(simple, straightforward, basic, uncomplicated)
1
simplified(simple, straightforward, basic, uncomplicated)
1
uncomplex(simple, straightforward, basic, uncomplicated)
1
uncomplicated(simple, straightforward, basic)
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APASmart Define. (2016). elemental thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/elemental/thesaurus/synonyms
ChicagoSmart Define. 2016. "elemental thesaurus" https://smartdefine.org/elemental/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, elemental thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/elemental/thesaurus/synonyms>.
MLASmart Define. "elemental thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/elemental/thesaurus/synonyms>