underdeveloped

Not fully developed.

Processed in too weak a developing solution, or for too short a time, or at too low a temperature to produce a normal degree of contrast. Used of film.

Having a low level of economic productivity and technological sophistication within the contemporary range of possibility; developing.

immature and not fully developed

having a low level of economic productivity and technological sophistication

of a film that has had insufficient development before being fixed

Simple past tense and past participle of underdevelop.

not yet fully developed

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