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What is the difference between grandpa and grandfather?

grandpa | grandfather |

Grandfather is a synonym of grandpa.



As nouns the difference between grandpa and grandfather

is that grandpa is grandfather while grandfather is a father of someone’s parent.

As a verb grandfather is

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 organizations.

grandpa

Noun

(en noun)
  • (informal) grandfather
  • grandfather

    English

    Etymology 1

    (wikipedia grandfather)

    Noun

    (en noun)
  • A father of someone’s parent.
  • (by extension) A male forefather.
  • Synonyms
    * granddad, grandad, grandaddy * grandsire * grandpa, granpa, grandpappy, granpappy, gramps * eldfather/elderfather * pops
    Antonyms
    * (with regard to gender) grandmother * (with regard to ancestry) grandson, granddaughter, grandchild
    Hyponyms
    * paternal grandfather * maternal grandfather
    Hypernyms
    * grandparent
    Derived terms
    * grandfather clock * grandfather clause * great grandfather, great-grandfather

    Etymology 2

    From (m). See etymology 1 and (m).

    Verb

    (en verb)
  • 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 organizations.
  • Derived terms
    * (l) 1000 English basic words