underdeveloped

adjective

un·​der·​de·​vel·​oped ˌən-dər-di-ˈve-ləpt How to pronounce underdeveloped (audio)
1
: not normally or adequately developed
underdeveloped muscles
underdeveloped film
2
: having a relatively low economic level of industrial production and standard of living (as from lack of capital)
underdeveloped nations
underdevelopment noun

Examples of underdeveloped in a Sentence

The baby was born with underdeveloped lungs.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The rising incidence of depression, suicide and addiction among men has reached staggering levels, yet the social and psychological infrastructure to address it remains dangerously underdeveloped. Sreedhar Potarazu, Baltimore Sun, 6 July 2025 The Democratic Republic of the Congo has substantial reserves of gold, cobalt, and high-grade copper that have been inaccessible due to the security risks and underdeveloped infrastructure, the International Trade Administration says. Francesca Chambers, USA Today, 28 June 2025 One day after the ceasefire with Israel, the government executed three Kurdish cross-border laborers who rely on smuggling goods to survive in Iran’s underdeveloped Kurdish provinces. Shukriya Bradost, The Conversation, 28 June 2025 This is an important trade advancement for people who live in countries with underdeveloped banking infrastructure and volatile currencies. Sailesh Sewpaul, Forbes.com, 26 June 2025 See All Example Sentences for underdeveloped

Word History

First Known Use

1892, in the meaning defined at sense 1

Time Traveler
The first known use of underdeveloped was in 1892

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Cite this Entry

“Underdeveloped.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underdeveloped. Accessed 9 Jul. 2025.

Kids Definition

underdeveloped

adjective
un·​der·​de·​vel·​oped ˌən-dər-di-ˈvel-əpt How to pronounce underdeveloped (audio)
1
: not developed normally or enough
underdeveloped muscles
2
: having a low level of industrial production and standard of living
the underdeveloped nations

Medical Definition

underdeveloped

adjective
un·​der·​de·​vel·​oped ˌən-dər-di-ˈvel-əpt How to pronounce underdeveloped (audio)
: not normally or adequately developed
underdeveloped muscles
underdeveloped lungs

More from Merriam-Webster on underdeveloped

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