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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.

While much of “Fatherland” feels underdeveloped, it is to Ms. Shorr’s credit that she has let Martin remain a disturbing enigma.

From The Wall Street Journal • Mar. 26, 2026

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

He was far too young and too underdeveloped to row for the university, the only rowing game in town.

From "The Boys in the Boat: Nine Americans and Their Epic Quest for Gold at the 1936 Berlin Olympics" by Daniel James Brown