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Definitions

underdeveloped

[uhn-der-di-vel-uhpt] / ˌʌn dər dɪˈvɛl əpt /
ADJECTIVE
(of a country) developing
Synonyms
Antonyms


ADJECTIVE
not fully developed
Synonyms
Antonyms
ADJECTIVE
not developed
Synonyms
Antonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

According to her Instagram post, Phillips was born with an underdeveloped kidney.

From Los Angeles Times • Feb. 11, 2026

Brazil tilts more toward financials and commodities—it is one of the world’s major sources of iron ore, and has vast, underdeveloped rare-earth deposits.

From Barron's • Feb. 6, 2026

Instead, U.S. markets have been left in the shade this year by international rivals, including developed markets, underdeveloped “emerging” markets, and even the really undeveloped “frontier” markets.

From MarketWatch • Dec. 26, 2025

"People often assume rural means underdeveloped, but our centres mirror urban IT hubs in every way – secure data access, reliable connectivity, and uninterrupted power. The only difference is geography. "

From BBC • Oct. 13, 2025

The white sand and pleasantly underdeveloped beachfront were spectacular and soothing.

From "Just Mercy" by Bryan Stevenson




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