5
fetal(adjective, beginning)
5
inaugural(adjective, beginning, opening, original, first)
5
introductory(adjective, simple, beginning, opening, original)
5
primary(adjective, cause, simple, original, basic)
5
rudimental(beginning, authentic, first, previous, littleness)
5
unfinished(adjective, incomplete)
4
embryonal
4
coarse
4
crude
4
inceptive(adjective, beginning, opening, original, authentic)
4
incomplete(adjective, incomplete, nonpreparation)
4
infant(adjective, slight, beginning, original, limited)
4
infantile(adjective, beginning)
4
initiatory(adjective, beginning, opening, original, first)
4
primal(adjective, beginning)
4
unformed(adjective, nonpreparation)
4
vestigial(adjective, simple, basic, fundamental, hidden)
3
atomic
3
corpuscular
3
deficient(adjective, incomplete)
11 years ago|7.3k views|share |citing 
APASmart Define. (2015). embryonic thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/embryonic/thesaurus/synonyms
ChicagoSmart Define. 2015. "embryonic thesaurus" https://smartdefine.org/embryonic/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, embryonic thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/embryonic/thesaurus/synonyms>.
MLASmart Define. "embryonic thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/embryonic/thesaurus/synonyms>