Granddad vs. Grandfather

Granddadnoun

(informal) grandfather

Granddadnoun

A familiar or disparaging term of address to an old man.

Granddadnoun

the father of your father or mother

Grandfathernoun

A father of someone’s parent.

Grandfathernoun

(by extension) A male forefather.

Grandfatherverb

To retain existing laws or rules only for people or organizations previously affected by them, and to apply new laws or rules to the unaffected people or organizations.

Grandfatherverb

To retain existing laws or rules for (a person or organization previously affected by them).

Grandfathernoun

A father's or mother's father; an ancestor immediately after the father or mother in lineal ascent.

Grandfathernoun

the father of your father or mother

Grandfathernoun

the father of one's father or mother.

Grandfathernoun

the person who founded or originated something

Grandfatherverb

exempt (someone or something) from a new law or regulation