非常識
Common
Noun
I-adj
1
noun (common) (futsuumeishi)adjectival nouns or quasi-adjectives (keiyodoshi)
falta de sentido común
1
noun (common) (futsuumeishi)adjectival nouns or quasi-adjectives (keiyodoshi)
lack of common sense;thoughtlessness;senselessness;irrationality;absurdity
あんなことを彼女に言うなんて非常識も甚だしい。
It's quite absurd of you to tell her that sort of thing.