Wiktionary
unbeautifully
adv. In a manner that is unbeautiful (ugly or inelegant).
Usage examples of "unbeautifully".
Campion, dishevelled, and unbeautifully clad, met her frank enquiring gaze with one of his rare flashes of undisguised honesty.
In fear all creation pays homage-but does not extol its moral, so everything perishes unbeautifully.