Na-adjective (keiyodoshi), Nounimpoliteness

I-adjective (keiyoushi)cruel; heartless; hard; harsh; severe · violent; intense; strong; heavy; extreme · very bad; terrible; awful

Noun which may take the genitive case particle 'no', Na-adjective (keiyodoshi), Nouninformal; unofficial

Na-adjective (keiyodoshi), Noun which may take the genitive case particle 'no', Nounillegal; unlawful

Noun, Na-adjective (keiyodoshi)lack of common sense; thoughtlessness; senselessness; irrationality; absurdity