Definitions
1.NounOften used as an affectionate term of address: a person who is very dear to one."Pass the wine, would you, darling?"
2.NounA person who is kind, sweet, etc., and thus lovable; a pet, a sweetheart; also, an animal or thing which is cute and lovable."The girl next door picks up all my shopping for me. She is such a darling."
3.NounA favourite.
The favourite child in a family."Mary, the youngest daughter, was always her mother’s darling.; a media darling; a darling of the theatre"
4.NounThe favourite child in a family."Mary, the youngest daughter, was always her mother’s darling."
5.NounA person (often a woman) or thing that is very popular with a certain group of people."a media darling; a darling of the theatre"
6.NounA royal favourite, the intimate companion of a monarch or other royal personage, often delegated significant political power.
7.AdjectiveVery dear; beloved, cherished, favourite."She is my darling wife of twenty-two years."
8.AdjectiveVery cute or lovable; adorable, charming, sweet."Well, isn’t that a darling little outfit she has on?"
9.VerbTo call (someone) "darling" (noun sense 1).