grand‧fa‧ther S3 / ɡrændfɑðə $ -ər / 名词 [可数名词]
the father of your father or mother
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People usually say grandad (especially in British English) or grandpa when talking to or about their own grandfather:
I used to stay at my grandpa ’s house.
THESAURUS
words for grandparents
grandfather/grandmother : She looks just like grandmother. | My grandfather was a farmer.
grandpa informal grandfather : My grandpa died when I was a baby. | Ask Grandpa if he’ll buy us an ice cream.
grandma informal grandmother : I was at my grandma’s house yesterday.
grandad informal ( also granddad American English ) grandfather : Grandad collects me from school on Fridays.
granny informal grandmother : Granny, can I come with you?
nan/nanna British English informal grandmother – used especially by children : She’s staying at her nan’s. | You can have a cuddle on the sofa with Nanna.