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

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

Grab a golf cart and hit the road to explore beyond tiny San Pedro's three main streets, heading for the island's untamed, undeveloped beaches. —Carley Rojas Avila, Travel + Leisure, 30 Nov. 2025

The problem is that, beyond his affectionate interest in the individual revolutionaries, the French 75’s political values remain undeveloped. —Angelica Jade Bastién, Vulture, 24 Nov. 2025

The district plans to put the housing development on an undeveloped site alongside Hillsdale Avenue next to Highway 87 in San Jose. —George Avalos, Mercury News, 24 Nov. 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