underdeveloped

[ uhn-der-di-vel-uhpt ]
/ ˌʌn dər dɪˈvɛl əpt /

adjective

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

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Origin of underdeveloped

First recorded in 1890–95; under- + develop + -ed2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for underdeveloped

British Dictionary definitions for underdeveloped

underdeveloped
/ (ˌʌndədɪˈvɛləpt) /

adjective

immature or undersized
relating to societies in which both the surplus capital and the social organization necessary to advance are lacking
photog (of a film, plate, or print) processed in developer for less than the required time, thus lacking in contrast
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for underdeveloped

underdeveloped
[ ŭn′dər-dĭ-vĕləpt ]

adj.

Not adequately or normally developed; immature.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.