childlessness
词形变化：
形容词: childless | 名词: childlessness | 名词复数: children |
同义词：
youngster | baby | offspring | juvenile | kid | tot | infant | youth | descendant | dependent | lamb | young person | teenager | teen | limb | spawn | son | daughter | newborn | toddler | preschooler | result | product | outcome | creation | tiddler | shaver | tike | fry | small fry | minor | nipper | tyke | nestling |
反义词：