Definition of grandfilial in English:

grandfilial

adjective

  • Of sentiments, duty, etc.: due from a grandchild to a grandparent, befitting a grandchild; of or belonging to a grandchild.

Origin

Mid 19th century. From grand- + filial, after grandson, granddaughter.

Pronunciation

grandfilial

/ɡrandˈfɪlɪəl/