〔無法な〕lawless;〔無礼な〕insolent, rude;〔法外な〕outrageous;〔許しがたい〕inexcusable, unpardonable
- ふらちなことをする
- misbehave/do wrong/commit an outrage
- 目上の者に向かってそんなことを言うとはふらち極まる
- It was extraordinarily rude [insolent] of him to make such a remark to his superiors.
- 手紙の返事もよこさないとはふらちなやつだ
- It is inexcusable [unpardonable] of him not to answer my letter.