無ぶ骨こつ一いっ徹てつ

Meanings

rustic and stubborn; boorishly obstinate

Describes a person who is rough, unsophisticated, and stubbornly sticks to their coarse ways. Often used critically or self-deprecatingly.

彼かれは無ぶ骨こつ一いっ徹てつな職しょく人にんで、新あたらしいやり方かたを絶ぜっ対たいに受うけ入いれない。
He is a boorishly stubborn craftsman who absolutely refuses to accept new methods.
無ぶ骨こつ一いっ徹てつな態たい度どが災わざわいして、彼かれは同どう僚りょうから煙けむたがられている。
His boorish and obstinate attitude backfired, and he is shunned by his colleagues.

Kanji

無nothingness, none, ain't
骨skeleton, bone, remains
一one, one radical (no.1)
徹penetrate, clear, pierce
武warrior, military, chivalry

Related words

無ぶ骨こつ
無骨 means 'boorish' or 'rustic' without the stubbornness implied by 一徹.
一いっ徹てつ
一徹 means 'stubborn' or 'obstinate' but does not carry the rustic or boorish nuance.

Built from

武ぶ骨こつ+一いっ徹てつ

Written forms

無ぶ骨こつ一いっ徹てつ
Standard kanji spelling; 無骨 means 'boorish' and 一徹 means 'stubborn'.
武ぶ骨こつ一いっ徹てつ
Variant using 武 (martial) instead of 無 (without); less common.

Etymology

Compound of 無骨 (boorish, rustic) and 一徹 (stubborn, obstinate). The exact historical derivation is uncertain, but the combination emphasizes a person who is both uncouth and stubbornly set in their ways.