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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.

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

The Capitol building ought to be the symbolic center of the city—as it is in the street grid with its four quadrants—but the avenue running east is underdeveloped.

From The Wall Street Journal • Jan. 20, 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

And what force would be stronger than me and my admittedly underdeveloped upper- body muscles wailing on the trunk with random tools?

From "Miss Peregrine's Home for Peculiar Children" by Ransom Riggs