Dictionary

1grandfather

noun grand·fa·ther \ˈgran(d)-ˌfä-thər\

: the father of your father or mother

Full Definition of GRANDFATHER

1
a :  the father of one's father or mother
b :  ancestor 1a
2
:  granddaddy 2
grand·fa·ther·ly \-lē\ adjective
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First Known Use of GRANDFATHER

15th century

2grandfather

verb

Definition of GRANDFATHER

transitive verb
:  to permit to continue under a grandfather clause

First Known Use of GRANDFATHER

1953

Rhymes with GRANDFATHER

GRANDFATHER Defined for Kids

grandfather

noun grand·fa·ther \ˈgrand-ˌfä-thər, ˈgran-\

Definition of GRANDFATHER for Kids

1
:  the father of someone's father or mother
2
:  ancestor <His grandfathers had all farmed the land.>
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