Nihoner

“Father-in-law” in Japanese

Short answer
外舅 gaikyuu がいきゅー

Father-in-law in Japanese is “外舅” (gaikyuu). Full meaning: father-in-law (of the husband).

Other ways to say “Father-in-law” in Japanese

Looking for the other direction? Search any Japanese word in the Nihoner lexicon, or practise what you have learned in the learning games.