daddy
n.-
1 father (n.) A1 Beginner Informala name for your father, usually used by children or within a family.
a familiar, often hypocoristic term for one's father, typically used by children or as an affectionate address within a family unit.
ExampleThe little girl ran to the door and shouted for her daddy when he got home.
ExampleIn many households, the transition from 'daddy' to 'dad' marks a significant developmental milestone in a child's perception of parental authority.
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2 the best example (n.) B2 Upper Intermediate Informalthe biggest, best, or most important example of something.
the most prominent, powerful, or definitive instance of a particular class of things.
ExampleThat new skyscraper is the daddy of all buildings in this city.
ExampleThe 1960 model is often considered the daddy of modern sports cars, setting the standard for every design that followed.
From dad + -y (diminutive suffix).
From dad + -y (adjectival suffix).