Bloomsbury Syllabification: (Blooms·bur·y)Pronunciation: /ˈblo͞omzbərē, -ˌberē/Definition of Bloomsbury an area of central London noted for its large squares and gardens and for its associations with the Bloomsbury Group. The British Museum is located here. [as adjective] associated with or similar to the Bloomsbury Group. Bloomsbury in other Oxford dictionaries Definition of Bloomsbury in the British & World English dictionary