E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
means hag-like. Mr. Dyer derives it from ouph-lic, like an ough or goblin. The Welsh hagr, ugly, would rather point to hag-lic, like a hag; but we need only go to the Old English verb ugge, to feel an abhorrence of, to stand in fear of. (Icelandic, uggligr, uggr, horror.)