家か庭てい内ない別べっ居きょ

noun

living apart in the same house; separate lives under the same roof

Describes a married couple who remain legally married and live in the same house but lead emotionally and practically separate lives, often without communication or shared activities.

• 彼かれらは家か庭てい内ない別べっ居きょの状じょう態たいがもう5年ねんも続つづいている。

  They have been living apart in the same house for five years now.

• 家か庭てい内ない別べっ居きょを選えらぶ夫ふう婦ふが増ふえているらしい。

  It seems more couples are choosing to live separate lives under the same roof.