What is another word for grandfather-in-law?
Pronunciation: [ɡɹˈandfɑːðəɹɪnlˈɔː] (IPA) 
The word grandfather-in-law refers to one's spouse's grandfather. However, there are different terms used for this relationship in different cultures and regions. In some cultures, grandfather-in-law is also referred to as step-grandfather or parent-in-law. Additionally, the term granddad-in-law or grandpa-in-law is also used informally to refer to one's spouse's grandfather. Some people also prefer to use the term "sunki" to describe their grandfather-in-law, which means a "good elder" in Korean. Overall, while the term grandfather-in-law is commonly used in English-speaking countries, cultures across the world have their own unique and diverse words to describe this relationship.
