ppl. a. [UN-1 8.]
1. Not sprinkled with dust.
1648. Hexham, II. Onbestoven, Vndusted.
2. Not freed from dust; left dusty.
1862. Thornbury, Turner, I. 308. The old Greek books, long undusted, are brought out.
1868. Dublin Univ. Mag., Aug., 124/2. Dr. Johnson wrote a tragedy, but suffered it to moulder on his undusted shelves.