ぐそく 愚息 LinksSentence search for 愚息Sentence search for ぐそくKanji details for 愚 and 息Edit in JMdict Noun1. (one's) sonHumble (kenjougo) language「ああ、これがぐそく愚息のタカシね」「え、は・はい。〈こ故〉タカシくん君ですね！」「フーちゃんまだし死んでないよ！たぶん」"Ah, this is my idiot son Takashi" "Eh-er, yes. (The late) Takashi, right?" "Fuusy, he isn't dead yet! Probably." Discussions Log in to talk about this word.