grandfather

/ˈɡrænˌfɑðər/
noun
  1. The father of a person's father or mother.
    • His grandfather fought in the war.
    • My grandfather taught me how to fish.
    • She inherited her love of gardening from her grandfather.
  2. A man who is a founder or pioneer in a field.
    • The grandfather of abstract art, he influenced generations of painters.
    • He is considered the grandfather of modern robotics.
    • She is often called the grandfather of the environmental movement.
Synonyms
verb
  1. To exempt someone or something from a new rule or regulation because of existing circumstances (often used in 'grandfather in' or 'grandfathered').
    • The new law grandfathered existing businesses, so they didn't have to change.
    • The zoning change grandfathered the old building, allowing it to remain.
    • They grandfathered in all current employees under the old pension plan.
What does "grandfather" mean? | whatsthatwordmean | whatsthatwordmean