← BackshareGuessmoppet/ˈmɑpɪt/nounA young child, especially an endearing or cute one.The little moppet waved at everyone from her stroller.My niece is such a sweet moppet with her curly hair and big smile.The movie features a mischievous moppet who gets into all sorts of trouble.SynonymschildtotkidAntonymsadult