"Underdeveloped" means not fully developed or not advanced to its full potential. It refers to something that is lacking progress, growth, or advancement compared to what is considered typical or desired. Full definition
Our world has more than enough food for all of us; but we waste it, overeat ourselves and because of this, we deprive those in underdeveloped countries of these resources. (globaleducationmagazine.com)
For communities in underdeveloped countries with no access to banking services, it means a whole new way of empowerment. (bitcoinist.com)
Instead it's merely another slack thriller with underdeveloped characters and sputtering dramatic momentum. (hollywoodreporter.com)