無ぶ骨こつ一いっ徹てつConjugationsMeaningsNounNa-adjective1. rustic; boorish; uncouth; adamantly sticking to being boorishOther spellings武ぶ骨こつ一いっ徹てつUsage share unknownKanji used無nothing骨bone一one徹penetrateKanji in other spellings武militaryComposed of無ぶ骨こつboorish; unrefined; rustic; uncouth; clumsy; brusqueNa-adjective一いっ徹てつobstinate; stubborn; inflexibleNa-adjective