childlessKK [ˋtʃaɪldləs] /ˈtʃaɪldləs/形容詞1無子女的、沒有小孩的They stayed childless and spent their savings on traveling the world.他們一直沒有生小孩,把積蓄都花在環遊世界上。2膝下無子的、無嗣的正式The childless king had to name a distant cousin as his heir.這位膝下無子的國王只能指定一位遠房堂弟為繼承人。