Wan-hygdig

According to the Old English Dictionary:

-hýdig;

wan-hygdig

adj. Foolish, imprudent, thoughtless, careless, reckless :-- Wonhýdig wer vir insipiens, Ps. Th. 91, 5: Exon. Th. 95, 14; Cri. 1557 : 343, 25 ; Gn. Ex. 162. Ne sceal wita nó tó hátheort, ne tó hrædwyrde, ne tó wác wiga, ne tó wanhýdig, 290, 19. Ne mid swíðran his nele brýsan wanhýdig gemód Wealdend engla, ne ðone wlacan smocan wáces flǽsces wætere gedwæscan, Dóm. L. 50. Wonhýdige (the apostate angels), Elen. Kmbl. 1522 ; El. 763. [Cf. Icel. van-hugaðr ill-considered.] wan-hygdig