Daddy/ˈdædi/ Definition 1 of 3Pro Tip 1/3Affectionate Term Used by kids to express love and comfort, often in family. When I fell down, I called for my daddy. Pro Tip 2/3Informal Address Used in relaxed, informal situations, not typically in formal contexts. At the park, I saw a child running to their daddy. Pro Tip 3/3Emotional Connection Signifies a close emotional bond when a child refers to their father. Every night, daddy reads me a bedtime story.