na-adjective, noun
monstrously ugly; hideous; grotesque
Formal or literary term describing something so ugly it is bizarre or monstrous. Often used in written descriptions, criticism, or elevated speech.
その怪物は醜怪な姿をしていた。
The monster had a hideous appearance.
彼の描く絵は時に醜怪と評される。
His paintings are sometimes described as grotesque.