Un-geleáflíc

According to the Old English Dictionary:

un-geleáflíc

adj. Incredible :-- Ðæt án þing wǽre ungeleáflíc on ðære race geset, Homl. Th. ii. 520, 12. Ðæt wile þincan ungeleáflíc eallum ðǽm ðe ða stówe on uferum tídum geseóð, Lchdm. iii. 438, 14: Chr. 1036; Erl. 165, 9. un-geleaflic