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


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

Origin of underdeveloped

First recorded in 1890–95; under- + develop + -ed2

Definition for underdeveloped (2 of 2)

[ uhn-der-di-vel-uh p ]
/ ˌʌn dər dɪˈvɛl əp /

verb (used with object)

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

Origin of underdevelop

OTHER WORDS FROM underdevelop

un·der·de·vel·op·ment, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for underdeveloped

British Dictionary definitions for underdeveloped (1 of 2)

/ (ˌʌndədɪˈvɛləpt) /


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

British Dictionary definitions for underdeveloped (2 of 2)

/ (ˌʌndədɪˈvɛləp) /


(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

Derived forms of underdevelop

underdevelopment, noun
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

Medicine definitions for underdeveloped

[ ŭn′dər-dĭ-vĕləpt ]


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.