合がっ壁ぺき

noun

next-door neighbor; neighbor sharing a wall

Refers to a neighbor whose house shares a common wall, as in a row house or apartment. Somewhat literary or descriptive; in everyday speech 隣人 or 隣の家 are more common.

• 合がっ壁ぺきの家いえから話はなし声ごえが聞きこえてくる。

  I can hear voices from the house next door.

• 合がっ壁ぺき同どう士しで壁かべの補ほ修しゅうについて話はなし合あった。

  The neighbors sharing a wall discussed repairing it.