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Synonyms

undeveloped

American  
[uhn-di-vel-uhpt] / ˌʌn dɪˈvɛl əpt /

adjective

  1. not developed.


undeveloped British  
/ ˌʌndɪˈvɛləpt /

adjective

  1. not having developed or been developed

"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

Etymology

Origin of undeveloped

First recorded in 1730–40; un- 1 + develop + -ed 2

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The Ocean to Ocean Race pitted speed versus endurance in an age of undeveloped roads.

From The Wall Street Journal • May 21, 2026

The effect of radiation on undeveloped film can often be a concern for photographers, with X-ray scanners at airports known to pose a risk of causing damage.

From BBC • Apr. 29, 2026

It was one of the last major undeveloped wetlands in Southern California and a breeding and feeding site for 370 bird species, along with fish, reptiles, rabbits, foxes, coyotes and other animals.

From Los Angeles Times • Feb. 14, 2026

At the temple shelter, 67-year-old farmer Sok Chork said he settled in Prey Chan in 1980, when the area was landmine-infested and undeveloped.

From Barron's • Feb. 7, 2026

“I get wind of much misplaced criticism, by men as clever even as Burnham, because of impressions from incomplete work and undeveloped compositions,” he wrote.

From "The Devil in the White City" by Erik Larson

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