18 entries under fundamental topic. ×

8
beginning(adjective, beginning, basic, promising)
8
initial(adjective, simple, beginning, opening, original)
8
primitive(adjective, cause, simple, beginning, basic)
8
rudimentary(adjective, simple, basic, hidden)
7
early(adjective, simple, beginning, original, basic)
5
elementary(adjective, simple, beginning, original, basic)
5
introductory(adjective, simple, beginning, opening, original)
5
primary(adjective, cause, simple, original, basic)
4
vestigial(adjective, simple, basic, hidden)
2
abecedarian(simple, basic, elementary)
2
basal(simple, basic, elementary)
2
basic(simple, beginning, opening, original)
2
elemental(simple, basic, elementary)
2
larval(simple, basic, elementary)
1
uncompleted(simple, basic, elementary)
0
nuts and bolts(expression, idiom, basic)
0
simple(basic, elementary)
0
simplest(simple, basic, elementary)
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APASmart Define. (2015). embryonic thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/embryonic/thesaurus/synonyms
ChicagoSmart Define. 2015. "embryonic thesaurus" https://smartdefine.org/embryonic/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, embryonic thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/embryonic/thesaurus/synonyms>.
MLASmart Define. "embryonic thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/embryonic/thesaurus/synonyms>