(ふもう)

ふもう
na-adjective, noun
barren, fruitless
descriptive
1. barren, infertile (land)
Land that cannot support vegetation or crops due to poor soil or harsh conditions.
Barren land stretches out before us.
砂漠(さばく)不毛(ふもう)土地(とち)だ。
The desert is infertile land.
不毛(ふもう)()緑化(りょくか)する()()(すす)んでいる
Efforts to green barren land are advancing.
2. fruitless, futile, unproductive
An activity, discussion, or effort that produces no useful results. More commonly used than the literal sense.
不毛(ふもう)議論(ぎろん)はやめよう。
Let's stop this fruitless argument.
It's a futile conflict where both sides just criticize each other.
We discussed it for hours, but it ended in a fruitless outcome.

不毛(ふもう) is used both literally (infertile land) and figuratively (unproductive efforts). The figurative sense is more common in everyday usage.

Common collocations

Etymology

() (not) + (もう) (hair, growth) — land where nothing grows.