Noun
an inner circle of writers and artists and philosophers who lived in or around Bloomsbury early in the 20th century and were noted for their unconventional lifestyles
Source: WordNetBlythe, p. 54 Gadd, p. 20 In 1905 Vanessa began the "Friday Club" and Thoby ran "Thursday Evenings", which became the basis for the Bloomsbury Group, Tate, Bloomsbury timeline which to some was really "Cambridge in London". Source: Internet
Bloomsbury Group member Vanessa Bell gave her sister ’s books a distinct modern style. Source: Internet
I think Adam Nicholson summed it up well in his book on Sissinghurst (formerly the home of his grandmother, Vita Sackville West and grandfather, Harold Nicholson - they were members of the Bloomsbury Group and founders of The Hogarth Press). Source: Internet