underdeveloped

Definitions

Not having reached a normal or expected stage of development.

Lacking the industrial and economic infrastructure necessary for a high standard of living.

Examples

The region remains economically underdeveloped due to a lack of infrastructure and investment.

The child's underdeveloped motor skills made it difficult for him to participate in organized sports.

Synonyms

backward primitive undeveloped embryonic rudimentary immature stunted

Antonyms

advanced developed mature evolved sophisticated modern progressive