Wiktionary
barbarically
adv. In a barbaric manner.
Usage examples of "barbarically".
Cormac rejected its lure with all his iron strength of will and focused on the visages of the two Suevi below their barbarically knotted hair.
The poor woman had winced innumerable times hearing my speech and making everyone (including me) laugh, by saying she supposed we gurls didn't speak so barbarically on purpose.