v. Obs. [f. BE- 1 + sulien, OE. sullan to pollute, soil; perh. in OE.: cf. OHG. bisullan, MHG. besuln.] To pollute, make filthy.

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c. 1200.  Trin. Coll. Hom., 37. Þan he fulle ben, [he] bisulieð hem on þe fule floddri of drunkennesse.

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