A1a boy or girl from the time of birth until he or she is an adult, or a son or daughter of any age: an eight-year-old childAs a child I didn't eat vegetables.A small group of children waited outside the door.Both her children are now married with children of their own.Jan is married with three young children.They campaign for the rights of the unborn child.→ See alsobrainchildFamily relations in generalChildren and babies›disapprovingan adult who behaves badly, like a badly behaved child: He's such a child if he doesn't get his own way.Stupid and silly peoplea child of sth›someone who has been very influenced by a particular period or situation: Me, I'm a child of the 60s.Outcomes and consequences