EnglishgrandfathersnounMeaningA father of someone's parent.(by extension) A male forefather.To be, or act as, a grandfather to.To retain discontinued laws or rules for (a thing, person or organization previously affected by them).Related wordsgranddad(English)granddaddy(English)grandpa(English)gramps(English)grandad(English)ancestors(English)dumplings(English)forefathers(English)SourcesDictionaryAPI.dev English dictionary data