浮うわ気き相あい手て

noun

adulterous partner; lover in an affair

Refers to the person one is having an extramarital or otherwise unfaithful relationship with. The term is neutral in register but carries a strong negative moral connotation.

• 彼かれは浮うわ気き相あい手てと会あうために、よく嘘うそをつく。

  He often lies to meet his lover.

• 妻つまは夫おっとの浮うわ気き相あい手てに直ちょく接せつ会あいに行いった。

  The wife went to see her husband's mistress directly.