Grandson is a antonym of granddaughter.
As nouns the difference between granddaughter and grandson
is that granddaughter is the daughter of someone's child while grandson is a son of one's child.
granddaughter
Alternative forms
* grandaughter
Noun
(
en noun)
The daughter of someone's child.
Synonyms
* grandgirl
Antonyms
* (with regard to gender) grandson
* (with regard to ancestry) grandmother, grandfather
Hypernyms
* grandchild
grandson
English
Noun
(
en noun)
A son of one's child.
Synonyms
* grandboy
Antonyms
* (with regard to gender) granddaughter
* (with regard to ancestry) grandmother, grandfather
Hypernyms
* grandchild