39 entries under fundamental topic. ×

19
initial(adjective, start, simple, plain, head)
16
beginning(noun, adjective, start, simple, plain)
13
primary(adjective, simple, plain, head, beginning)
12
basic(adjective, start, simple, plain, head)
11
original(adjective, simple, plain, head, beginning)
9
elementary(adjective, simple, plain, head, beginning)
9
rudimentary(adjective, simple, plain, head, beginning)
7
early(adjective, simple, head, beginning, opening)
6
embryonic(adjective, simple, beginning, opening, original)
4
elemental(adjective, simple, opening, straightforward, basic)
3
abecedarian(adjective, simple, straightforward, basic)
3
primitive(adjective, simple, plain, head, beginning)
2
basal(adjective, simple, straightforward, basic)
2
foundational(simple, opening, straightforward, basic)
1
ABCs(simple, straightforward, basic, uncomplicated)
1
clear(simple, straightforward, basic, uncomplicated)
1
duck soup(expression, simple, straightforward, basic)
1
easy(simple, straightforward, basic, uncomplicated)
1
essential(adjective, simple, straightforward, basic)
1
facile(simple, straightforward, basic, uncomplicated)
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APASmart Define. (2015). introductory thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/introductory/thesaurus/synonyms
ChicagoSmart Define. 2015. "introductory thesaurus" https://smartdefine.org/introductory/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, introductory thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/introductory/thesaurus/synonyms>.
MLASmart Define. "introductory thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/introductory/thesaurus/synonyms>