Wiktionary
uncute
a. Not cute; unattractive.
Usage examples of "uncute".
Shortly before noon, 1 hung the noticeably uncute, fly-splattered sign as bidden, locked the door, and walked down the railroad tracks.
He had tried to ease it by devising cute names for the uncute creatures, such as Pushmi-Pullyu for this one, but had known all along that one swift smash at each head would have served the creature in better stead.
That's a cute little oversight that can have decidedly uncute complications.