1.
spouse's family home; in-laws' home
The parental home of one's spouse. A relatively modern colloquial term that has become common especially in online discussions about married life.
Compound of 義 (in-law, by marriage) and 実家 (parental home). This word became widespread through internet forums and social media discussions about marriage and family dynamics.
Common collocations
Usage
More commonly used by women referring to their husband's family home, though it applies in either direction. The traditional term is 嫁ぎ先 (married-into family) or simply 夫の実家/妻の実家. 義実家 is a newer, gender-neutral coinage popular in casual and online contexts.