〔思慮に欠けた〕thoughtless;〔ばかげた〕absurd;〔途方もない〕preposterous
- 彼は非常識だ
- He has no common sense.
- それこそ非常識な話だ
- Nothing could be more absurd than that.
- そんなことをするとは彼も非常識だ
- It was foolish [thoughtless] of him to do such a thing.
- 彼の態度はあまりに非常識だった
- His behavior showed a complete lack of common courtesy [decency].
- 水中で結婚式をしても非常識な考えではない
- Getting married under water is not a preposterous idea.