GRANDFATHERING /ˈɡɹandfɑːðəɹɪŋ/ Scrabble 23 Words With Friends 26 Definition GRANDFATHERING is the present participle of GRANDFATHER. noun GRANDFATHER: the father of your father or mother. See all 969 words you can make from GRANDFATHERING → 14-letter words Words starting with G Words ending with G ← Unscramble different letters