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

Candice and her family took seven plane rides to reach this remarkably undeveloped island, which runs for miles through dense tropical foliage. — Charley Ward, Condé Nast Traveler, 12 Aug. 2026

The Hurst-Euless-Bedford school district is selling 57 acres of undeveloped land at Harwood and Meadow Park Drive. — Elizabeth Campbell, Fort Worth Star-Telegram, 12 Aug. 2026

Camp Hayo-Went-Ha, operating on 494 acres in Antrim County's Central Lake Township, ranks in the top 6% of all properties scored for protection by the land conservancy, representing the largest remaining undeveloped property on Torch Lake. — Keith Matheny, Freep.com, 10 Aug. 2026

The county owns the mostly undeveloped plot of land next to Aquatica. — Ryan Gillespie, The Orlando Sentinel, 5 Aug. 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