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

Land use politics are less fraught in places like San Bernardino or San Joaquin County, where there’s still undeveloped land to sprawl over and where poorer, mostly non-white communities lack the resources to oppose development like their wealthy coastal counterparts. —Stan Oklobdzija, Mercury News, 16 Sep. 2025

His sister was the family archivist and quite literally just had a box of undeveloped film. —Lynette Rice, Deadline, 13 Sep. 2025

The park’s crown jewel is Bear Island, a pristine, undeveloped barrier island accessible only by ferry or private boat. —Evan Moore, Charlotte Observer, 12 Sep. 2025

This is the last undeveloped parcel in the Sendik’s Commons Shopping Center. —Erik S. Hanley, jsonline.com, 11 Sep. 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