無骨 ぶこつ
bukotsu

Noun
na-Adjective

1. boorish; unrefined; rustic; uncouth; clumsy; brusque

かれ態度 たいどはすこぶる無骨 ぶこつだ。
kareno taidowa sukoburu bukotsuda.
He is very blunt in his manner.
Other forms: