dé·clas·sé 
(dā′klä-sā)
(dā′klä-sā)adj.
1. Low or lowered in class, rank, or social position.
2. Characteristic of the lower classes; of low social status: "young professionals who would never stoop to anything so déclassé as packing a lunch" (Richard Powers).
[French, past participle of déclasser, to lower in class : dé-, down (from Latin dē-; see DE-) + classe, class; see CLASS.]