破天荒
はてんこう
hatenkou
JMdict entry #1471410
- adjectival nouns or quasi-adjectives (keiyodoshi)noun (common) (futsuumeishi) unheard-of; unprecedented
- adjectival nouns or quasi-adjectives (keiyodoshi)noun (common) (futsuumeishi) colloquial daring; wild; uninhibited; unconventional; reckless