Uggen
v. to dread, to shudder at, HD; ug, H; huge, H; uggis, pr. s., H; uggid, pt. s., H.—Icel. ugga.

Uggynge
sb. shuddering, horror, H.

Ugly
adv. dreadful, horrible, H, SkD; uglike, SkD.—Icel. uggligr.

Ugsom
adj. frightful, SkD (s.v. ugly).