1. The father of your father or mother
   - grandfather, granddad, grandad, granddaddy, grandpa, grandaddy [N. Amer]

Type of: grandparent

Encyclopedia: Gramps

• uncivil
• uncivilised
• uncivilized
• uncivilly
• unclad
• unclaimed
• unclasp
• unclassifiable
• unclassified
• uncle
• Uncle Joe
• Uncle Remus
• Uncle Sam
• Uncle Tom
• unclean
• uncleanliness
• uncleanly
• uncleanness
• unclear
• uncleared
• unclearly
• unclearness
• unclimbable
• unclip
• unclipped