अविकसित

undeveloped; developing

latent

potentially existing but not presently evident or realized

underdeveloped

relating to societies in which capital needed to industrialize is in short supply

embryo

embryonal

of an organism prior to birth or hatching

immature

characteristic of a lack of maturity

larval

immature of its kind; especially being or characteristic of immature insects in the newly hatched wormlike feeding stage

scrubby

sparsely covered with stunted trees or vegetation and underbrush

undeveloped

not developed