2
larval(simple, basic, fundamental, elementary)
2
molecular
2
preliminary(adjective, beginning, original, first, early)
2
premature(adjective, earlier)
2
prime(first, previous, initial)
2
primogenial
2
pristine(authentic, first, previous, initial, earliest)
2
radical
2
subatomic
2
unblown
2
unfashioned
2
unhewn
2
unlabored
2
unwrought
1
alpha(adjective, beginning)
1
amorphous
1
amount
1
antenatal
1
arrested
1
baby(adjective, beginning)
11 years ago|7.3k views|share |citing 
APASmart Define. (2015). embryonic thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/embryonic/thesaurus/synonyms
ChicagoSmart Define. 2015. "embryonic thesaurus" https://smartdefine.org/embryonic/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, embryonic thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/embryonic/thesaurus/synonyms>.
MLASmart Define. "embryonic thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/embryonic/thesaurus/synonyms>