Un-rǽdlíc

According to the Old English Dictionary:

un-rǽdlíc

adj. Ill-advised, foolish, vain :-- Hié hæfdon plegan and oforgedrync, and dyslíce and unrǽdlíce hálsunga. Blickl. Homl. 99, 21. [O. H. Ger. un-rátlíh inconsultus: Icel. ú-ráðligr inadvisable, inexpedient.] un-rædlic