undeveloped

adjective

un·​de·​vel·​oped ˌən-di-ˈve-ləpt How to pronounce undeveloped (audio)
-dē-
Synonyms of undevelopednext
: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Per the listing, two additional undeveloped parcels totaling 10 acres, with one overlooking the vineyards of the neighboring Lasseter Family Winery, offer room to expand. — Wendy Bowman, Robb Report, 30 July 2026 The missile crashed in an undeveloped area near the village of Tarnawa-Kolonia in Lublin province, Poland’s army said. — Lex Harvey, CNN Money, 29 July 2026 Leaders have fewer opportunities to spot unclear priorities, insufficient resources or undeveloped skills across the team. — Kim Meninger, Forbes.com, 29 July 2026 The nonprofit has long maintained that the land — reportedly the last undeveloped sliver of Big Bear Lake’s shoreline — represents critical foraging habitat for the eagles. — Lila Seidman, Los Angeles Times, 24 July 2026 See All Example Sentences for undeveloped

Word History

First Known Use

1736, in the meaning defined above

Time Traveler
The first known use of undeveloped was in 1736

Rhymes for undeveloped

See All Rhymes for undeveloped

Browse Nearby Words

undevelopable
undeveloped
undeviable
See all Nearby Words

Cite this Entry

“Undeveloped.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undeveloped. Accessed 5 Aug. 2026.

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Medical Definition

undeveloped

adjective
un·​de·​vel·​oped ˌən-di-ˈvel-əpt How to pronounce undeveloped (audio)
: lacking in development : not developed
physiologically undeveloped

More from Merriam-Webster on undeveloped

Thesaurus: All synonyms and antonyms for undeveloped

Nglish: Translation of undeveloped for Spanish Speakers

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