1731. Miller, Gard. Dict., s.v. Wine, Let it [the vessel] stand unbungd till cool.
1817. W. Selwyn, Law Nisi Prius (ed. 4), II. 1261. The act of the warehouseman in leaving them unbunged after filling them up.
1897. Daily News, 23 July, 3/1. Unbunged barrels were left at the mercy of the rising water, the contents being spoilt.