little girl noun3 •A female child, especially one younger than ten years of age.More than ever I wished she was my sister and that mother could watch over her. She would gladly, I knew. A little girl, barely twelve years old and not large for her age. — 1904 •One's daughter.My little girl's getting married next week! •(offensive) A weak-willed or effeminate person.Laurie tells him to stop being such a little girl and do something bad for once. — 2000 formslittle girls