Un-sóþsagol

According to the Old English Dictionary:

un-sóþsagol

adj. Speaking falsely, lying, mendacious :-- Unsóðsagul falsidicus vel falsiloquus, Wrt. Voc. i. 47, 47. Unsóðsagol falsidicus, 76, 20. Se smið ne dorste secgan ðás gesihðe ǽnigum menn, nolde beón gesewen unsóðsagul (-ol) boda, Homl. Skt. i. 21, 58. un-soþsagol