👉 Grandaunt is a person who has been in charge of or is related to another person's life, especially a parent or sibling. In many cultures and societies, it can also refer to the older sister or brother, as they are often considered the oldest member of a family. In general, grandaunts may be described as being "grand" because of their status in the family hierarchy, but this term is not universally used and could vary depending on cultural context.