“+ adjective
Etymology: un- (I) + developed, past participle of develop
: not developed
undeveloped natural resources
: lacking in development : immature
undeveloped social awareness
“+ adjective
Etymology: un- (I) + developed, past participle of develop
: not developed
undeveloped natural resources
: lacking in development : immature
undeveloped social awareness
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012