Found 2 items, similar to Sui generis.
English → English (WordNet) Definition: sui generis sui generis adj : constituting a class of its own; unique; “a history book sui generis”; “sui generis works like Mary Chestnut's Civil War diary”
English → English (gcide) Definition: Sui generis Sui generis \Su“i gen”e*ris\ [L.] Of his or its own kind. [1913 Webster]