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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.

For him, there's a strong neurological factor – young men's attitude to sports, money, and prediction markets is down to what he describes as "an underdeveloped pre-frontal cortex and a high appetite for risk".

From BBC • May 21, 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

Processing facilities are struggling against high costs, exploration activities are underdeveloped and mining projects can take decades to get up and running, according to the report.

From The Wall Street Journal • Feb. 2, 2026

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

From "Just Mercy" by Bryan Stevenson




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