undeveloped

adj

1. (not-comparable)Not developed or used.

   “These developments, most of which have taken place during the past 30 years, are remarkable in view of the low traffic density, except in the neighbourhood of Oslo, and the very extensive undeveloped areas of mountain and virgin forest.”

   “We now also know adding Valančiūnas also yielded a pair of future second-round picks and another young wing (Cissoko) with positional size (and an undeveloped skill set).”

2. (not-comparable)not built on, unbuilt; not ready for building on

   “The message from the authorities is straightforward: undeveloped land within city boundaries should no longer be treated as a passive investment, it must be used productively.”

3. (not-comparable)lagging behind others, especially in economic or social matters

   “Running as full of enthusiasm as they can, some undeveloped countries are falling farther behind—their needs are growing faster than their achievements.”