ppl. a. (UN-1 8, 8 c.)
1633. T. James, Voy., 98. The Ship to be left vnpumpt.
1669. Boyle, Contin. New Exp., xliv. 154. Air that yet remaind unpumpd out.
1873. Ruskin, Fors Clav., xxxiii. 17. A real pump in a pump room, instead of the unpumped Tweed.