noun

grandpa

An informal word for grandfather.

My grandpa tells funny stories while we walk to the park.

Etymology

Grand- adds a generation to pa, a familiar name for father. The result is an informal term for the father of one’s parent.

More examples

  • We visit both of my grandpas every summer.
  • Her grandpa teaches her how to fix a bike.
  • Thanks for the birthday card, Grandpa!

Forms

grandpa · grandpas

Similar words

grandfather
The standard term, less informal than grandpa.
gramps
A more playful, familiar nickname for a grandfather.