Not yet developed or explored; an area or field that remains untapped or undeveloped.
その島は観光地としてはまだ未開拓だ。
That island is still undeveloped as a tourist destination.
この分野は未開拓の可能性が大きい。
This field has great untapped potential.
企業は未開拓市場に参入することを決めた。
The company decided to enter an untapped market.