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

The land immediately surrounding the Pioneer Living History Museum remains largely undeveloped. — Gaby Del Valle, The Verge, 29 Oct. 2026

The project area is currently undeveloped and doesn’t generate sales tax revenue. — Chris Higgins, Kansas City Star, 29 Oct. 2026

Minnesota’s Duluth Complex is considered the largest undeveloped deposit of these critical minerals in the world. — Story Hinckley, Christian Science Monitor, 28 Oct. 2026

The Summer Villas project, proposed for an undeveloped parcel southeast of the intersection of Sheldon and Waterman roads, seeks to amend the city’s general plan to remove the site from the rural area and allow higher-density housing. — Camryn Dadey, Sacbee.com, 22 Oct. 2026

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