grandfather
Pronunciation:
/ˈɡɹæn(d)ˌfɑːðə(r)//ˈɡɹæn(d)ˌfɑðɚ/noun
Definitions
A father of someone's parent.
Antonyms:grandchildgranddaughtergrandmothergrandson(by extension) A male forefather.
Synonyms:grandsirehighfather
verb
Definitions
To be, or act as, a grandfather to.