Synonyms of embryonic

Adjective

1. embryonic, embryologic, embryonal, immature (vs. mature)

usage: of an organism prior to birth or hatching; "in the embryonic stage"; "embryologic development"

2. embryonic, embryotic, early (vs. late)

usage: in an early stage of development; "the embryonic government staffed by survivors of the massacre"; "an embryonic nation, not yet self-governing"

Definition and meaning of embryonic (Dictionary)