noun which may take the genitive case particle 'no', na-adjective, noun
Describes land or soil that cannot support plant life; also used metaphorically for unproductive efforts.
この土地は不毛で、作物が育たない。
This land is barren and cannot grow crops.
不毛
We wasted time on a fruitless discussion.
na-adjective, noun which may take the genitive case particle 'no', noun
Used for discussions, efforts, or activities that yield no useful result; often with 議論, 努力, 争い.
不毛な争いは早く終わらせるべきだ。
A fruitless conflict should be ended quickly.