adulterous
adj. 通奸的,不贞的
An adulterous relationship is a sexual relationship between a married person and someone they are not married to. An adulterous person is someone who commits adultery.
1. characterized by adultery;
2. not faithful to a spouse or lover;
Kilpatrick and Betty appears in court to deny that afterward has the adulterous love affair.
基尔帕特里克和贝蒂随后出庭否认发生婚外恋.