underdeveloped Synonyms

developing unformed unfinished undersized stunted small short rudimentary retarded puny primitive premature unripe unsophisticated unindustrialized undeveloped half-baked unprogressive nonprogressive preliterate nonindustrial atavistic young weak vestigial miniature low depauperate dated crude benighted backward baby archaic antique antiquated antediluvian aborted diminutive dwarfish little latent lagging inexperienced immature ignorant green frail feeble embryonic