underdeveloped

adjective

1. improperly or insufficiently developed.
2. Photography. (of a negative) less developed than is normal, so as to produce a relatively dark positive lacking in contrast.
3. developing(def 2).

verb (used with object)

1. to develop (something) short of the required amount: to underdevelop film.

adjective

1. immature or undersized
2. relating to societies in which both the surplus capital and the social organization necessary to advance are lacking
3. photog (of a film, plate, or print) processed in developer for less than the required time, thus lacking in contrast

verb

1. (tr) photog to process (a film, plate, or paper) in developer for less than the required time, or at too low a temperature, or in an exhausted solution

adj.1892, in the photography sense, under + past participle of develop. In reference to countries or regions, recorded from 1949. adj.

1. Not adequately or normally developed; immature.