a. [ Pref. un- not + principled. ] Being without principles; especially, being without right moral principles; also, characterized by absence of principle. -- Un*prin"ci*pled*ness, n. [1913 Webster]
[社鼠城狐, shè shǔ chéng húㄕㄜˋ ㄕㄨˇ ㄔㄥˊ ㄏㄨˊ] lit. rat in a country shrine, fox on town walls; fig. unprincipled thugs who abuse others' power to bully and exploit people
[随风倒舵 / 隨風倒舵, suí fēng dǎo duòㄙㄨㄟˊ ㄈㄥ ㄉㄠˇ ㄉㄨㄛˋ] lit. to trim one's sail to the wind; fig. to adopt different attitude depending on the circumstances; unprincipled
[やごうせいけん, yagouseiken] (n) administration established through an unprincipled political coalition; government of convenience; cabinet created through an unholy alliance