The Collaborative International Dictionary
Cursedly
Cursedly \Curs"ed*ly\, adv. In a cursed manner; miserably; in a manner to be detested; enormously. [Low]
Wiktionary
cursedly
adv. In a cursed manner; miserably
WordNet
Usage examples of "cursedly".
I would say that, of all the languages I have heard, including your own, Otomite is the most cursedly hard to master.
At nineteen he was hardly the innocent he'd once been, but he had yet to learn how to keep his cursedly fair skin from betraying him.