Ad ‧ dams Fam ‧ i ‧ ly, the /ˈædəmz ˌfæm ə li/ BrE AmE trademark
an imaginary family from a US ↑ cartoon strip , which was later made into a humorous television programme and films. They wear black clothes and are very interested in death and frightening things. If you describe a family as being like the Addams Family, you mean that they are very strange.