underdeveloped
adjective
- not fully, normally, or adequately developed
- describing photographic film 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
- having a low level of economic productivity and technological sophistication within the contemporary range of possibility
Wiktionary
adj
- 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
verb
- simple past and past participle of underdevelop