不毛
Common
Noun
I-adj
Noun
1
nouns which may take the genitive case particle 'no'adjectival nouns or quasi-adjectives (keiyodoshi)noun (common) (futsuumeishi)
barren;sterile;infertile
2
adjectival nouns or quasi-adjectives (keiyodoshi)nouns which may take the genitive case particle 'no'noun (common) (futsuumeishi)
unproductive (e.g. discussion);fruitless