Meaning of underdeveloped

un•der•de•vel•oped

Pronunciation: (un"dur-di-vel'upt), [key]
— adj.
  1. improperly or insufficiently developed.
  2. (of a negative) less developed than is normal, so as to produce a relatively dark positive lacking in contrast.
  3. developing (def. 2).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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