成语词典任达不拘任性放纵,不受礼法拘束。拼音rèn láo bù jū解释任性放纵,不受礼法拘束。出处《晋书·阮咸传》:咸任达不拘,与叔父籍为竹林之游,当世礼法者讥其所为。近义词放荡不羁用法作谓语、定语;指人豪放