gedadu noun Sense 1 English. Grade level in school, class, year (but not of scores). Example sentence: Subanen. Si Kisi, mesulateni ngalanen sa' minuldi, pu' mikegusekila taman dig dua' gedadu. English. Casey can print her name, because she was able to go to school through the second grade. Sense The extent of one's education. Example sentence: Subanen. Ki getaw kia, sa' duun pai gedadunen, mabu' gindinil, pu' sa' megyagayaga, melaun gupiai mekwinta nen. English. If that person had more education, he would probably be an engineer, for when he speaks, he can figure a lot of things out.