Ful-fremedlíce

According to the Old English Dictionary:

full-fremedlíce;

ful-fremedlíce

adj. Fully, completely, perfectly; perfecte :-- Ne mæg nán gesceaft fulfremedlíce understandan ymbe God no creature can perfectly understand about God, Homl. Th. i. 10, 2, 4. ful-fremedlice