WordNet records no synonym and no antonym for bloomsbury group. It is the only member of its synset, which is common for technical, taxonomic and single-sense vocabulary — there is no other English word that means the same thing. The broader and narrower terms below are the useful relations in that case.
Counts are distinct word forms across every sense. A synonym that appears under three senses is counted once here and shown three times below, under each sense it belongs to.
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
Synonyms, antonyms and the broader and narrower relations for bloomsbury group come from Princeton University’s WordNet. Full sources and licences.