無断absence of permission; lack of permission; absence of (advance) notice; lack of notice
Noun
言語道断outrageous; preposterous; scandalous; inexcusable; absurd; execrable
Na-adjective
一刀両断cutting in two with a single stroke; taking decisive action; dealing with decisively; cutting the (Gordian) knot
Noun
断々固firm; resolute; absolutely
Taru-adjective
専断横行prevalence of arbitrariness; rife with arbitrary decisions (acting on one's own authority)
Noun
断捨離decluttering; clearing out past accumulation; minimalism
Noun
萌え断colorful cross-section of cut food such as sandwiches, sushi rolls and cakes
Noun