Lacking in mental power, or in the ability to think, judge, decide, etc.
The definition of poor is having little money or belongings, or lacking something.
The definition of little is small in size, quantity or importance.
Not fully grown or developed:
Describing the state, aspect, or practice of an abstract concept.
Being in an early stage of development or having a simple form:
Falling behind, not keeping up the pace
Having a relatively low level of industrial capability, technological sophistication, and economic productivity:
Not progressing and developing as fast as others, as in economic and social aspects
Find another word for underdeveloped. In this page you can discover 22 synonyms, antonyms, idiomatic expressions, and related words for underdeveloped, like: weak, poor, undeveloped, backward, poorly developed, , little, embryonic, immature, inchoate and nascent.