undeveloped

About 1.54 uses per million words.

Meaning

1. adjective Not developed or used.
2. adjective not built on, unbuilt; not ready for building on
3. adjective lagging behind others, especially in economic or social matters
4. verb simple past and past participle of undevelop

Similar words

unimproved unformed untapped unexploited rudimentary immature vestigial fallow budding unused

Often followed by

land and countries areas in state or country resources