developing /dɪˈvɛl.ə.pɪŋ/adjective 2noun 1forms 1 adjective2 •(of a country) poorer than most, and building industry in order to grow richer •In the process of development. noun1 •A process of development.In the developings of an inscrutable Providence, the kingdoms of the earth have become embroiled, and who can say where the complication will terminate? — 1854 formsdevelopings