巣立つ すだつ to leave the nest #21,768 Meanings godan verb, intransitive to leave the nest idiom to go out into the world; to become independent (of one's parents); to graduate (and become a member of society) Its kanji 巣 ソウ · す、す.くう nest, rookery, hive, cobweb, den 立 リツ、リュウ、リットル · た.つ、-た.つ、た.ち-、た.てる、-た.てる、た.て-、たて-、-た.て、-だ.て、-だ.てる stand up, rise, set up, erect