- the father of one's father or mother: also a term of respectful familiarity to any elderly man
- a male ancestor; forefather
Two children with their grandfather.
- The definition of a grandfather is the parent of either your mother or your father.
An example of a grandfather is your mom's dad.
- To grandfather is defined as allow someone to continue to abide by old rules, even when new ones are passed.
An example of grandfather is when a town changes its zoning rules but allows a home to remain residential even though the area has been changed to commercial.
- The father of one's mother or father.
- A forefather; an ancestor.
transitive verbgrand·fa·thered, grand·fa·ther·ing, grand·fa·thers
Origin of grandfatherV., from grandfather clause
- (father of someone’s father) paternal grandfather
- (father of someone’s mother) maternal grandfather
(third-person singular simple present grandfathers, present participle grandfathering, simple past and past participle grandfathered)
- To retain existing laws or rules only for those people or organisations that were previously affected by them, and apply new laws or rules to the unaffected people or organisations.
From grandfather clause
grandfather - Legal Definition
- Seconds literally ticked away on the old grandfather clock in the next room.
- Her grandfather knew my father a long time ago.
- I guess my grandfather was at one time a friend of Mr. Tim's.
- Your grandfather never said he found him.
- He first asserted his power by literally throwing to the dogs the last of his boyar tyrants, and shortly afterwards announced his intention of assuming the title of tsar, a title which his father and grandfather had coveted but never dared to assume publicly.