What does grandad mean?
Grandad is an informal English noun meaning one's grandfather. It is especially associated with British English and other Commonwealth varieties, although it is also understood in American English, where grandpa and granddad may be more frequent. In ordinary conversation, grandad can simply identify a family member: “My grandad lives by the sea.” Its familiar sound often adds affection, warmth, or gentle humor, particularly when someone recalls childhood stories, family traditions, or a grandfather's age and character. It may be used for either paternal or maternal grandfathers, depending on the speaker's family usage. Grandad is therefore more conversational than the formal word grandfather and often appears in dialogue, letters, memoirs, and family recollections. The alternative spelling granddad is also established, especially in American English. Although the word is simple, its combination of formal ancestry with the familiar element dad gives it a distinctly personal and affectionate character.
nounAn informal word for a person's grandfather. It is especially common in British English and is often used affectionately when speaking to or about a grandfather.
- An informal name for a grandfather.
"My grandad told us stories about when he was a boy."
"Grandad is coming to lunch on Sunday."
"As a child, I used to sit on my grandad's knee while he told me stories."
The plural is used when referring to more than one grandfather.
"My grandads both served in the war."
Grandad is a wonderfully family-sized word: it turns a formal relationship into an affectionate, everyday name.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does grandad come from?
Grandad is a chiefly British English word formed in the early nineteenth century by combining the older element grand with the familiar baby-talk word dad. The second element reflects the traditional child-speech form of father, dad, while grand- comes through the established family terms grandfather and grandmother. The word belongs to a wider set of English compounds built around grand- and kinship terms, including grandparent and grandchild.
Related word forms
How grandad is actually used
Grandad is informal, familiar, and often affectionate. It is especially natural in speech and in personal or family narratives, and it can sometimes be used humorously when referring to an elderly man.
Easily confused with grandad
Both are informal forms of grandfather; grandad is especially associated with British English, while granddad is widely used in American English and other varieties.