adj.不道德的；無原則的；放蕩不羈的

He is totally unprincipled in money matters; you can't trust him. 他在金錢方面根本不講道德，你不能相信他。

Unprincipled accommodation will do harm to him. 無原則的遷就對他有害。

In a few years his unprincipled wife warped the probity of a lifetime . 在以后的幾年里,他那放蕩不羈的老婆把他的生活攪了個一塌糊涂。