Duncan Grant dun·cang·rant uncommon noun 1. Scottish painter; cousin of Lytton Strachey and member of the Bloomsbury Group (1885-1978) SynonymsGrantDuncan GrantDuncan James Corrow Grant Related words Broader terms painter Parts Bloomsbury Group WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.