undeveloped
/ˌʌndɪˈvɛləpt/
adjective
Britannica Dictionary definition of UNDEVELOPED
[more undeveloped; most undeveloped]
1
of land
:
not used for building, farming, industry, etc.
2
of a country, society, etc.
:
having many poor people and a low level of industrial production
:
not developed
3
:
not fully grown or developed