undeveloped

adjective

un·​de·​vel·​oped ˌən-di-ˈve-ləpt 

-dē-

: not developed : lacking in development

undeveloped natural resources

undeveloped potential

undeveloped film

undeveloped seeds

: such as

a

: not used for building, farming, industry, etc.

undeveloped land

an area of undeveloped wilderness

b

: having a relatively low level of industrialization and standard of living

undeveloped countries/nations

Examples of undeveloped in a Sentence

Recent Examples on the Web

But Pointer looks at the park, which is largely undeveloped, and sees a place that could again be a gathering place for children and serve as a community focal point. —Kamal Morgan, Fort Worth Star-Telegram, 12 Dec. 2025

More than 383 acres of undeveloped land were donated to the city by land developers, McCann told The Center Square. —Center Square, The Washington Examiner, 12 Dec. 2025

Building data centers in the desert The data center mega-site is located west of the White Tank Mountains on mostly undeveloped desert lands near the confluence of the Jackrabbit Wash and the Hassayampa River. —John Leos, AZCentral.com, 12 Dec. 2025

Here, glassy waters reflect the surrounding forest and a quiet, undeveloped shoreline. —Meghan Overdeep, Southern Living, 4 Dec. 2025

Word History

First Known Use

1736, in the meaning defined above

Rhymes for undeveloped

• underdeveloped
• developed
• enveloped
• redeveloped

Medical Definition

undeveloped

adjective

un·​de·​vel·​oped ˌən-di-ˈvel-əpt 

: lacking in development : not developed

physiologically undeveloped