unborn adjective 3noun 2forms 1 adjective3 •Not yet born; yet to come; future. •Not yet delivered; still existing in the mother's womb. •Existing without birth or beginning. noun2 •A single unborn offspring at any stage of gestation.Whereas the lack of a child brings shame upon Anna and Joachim, the converse holds true for Mary: the existence of an unborn in the womb of a woman who is supposed to be a virgin causes great scandal. — 2009 •Unborn offspring collectively.Inheritance law allows property to be left to the unborn. formsunborns