The Oxford Thesaurus An A-Z Dictionary of Synonyms - uglyadj.

1) unattractive, unlovely, unprepossessing, unsightly, hideous, grotesque, gruesome, ghastly, offensive, repulsive-looking, plain, plain-looking, plain-featured, bad-featured, ill-favoured, dreadful-looking, awful-looking, terrible-looking, horrible-looking, frightful-looking, monstrous-looking, US and Canadian homely: The Georgian houses were demolished and replaced by ugly tower-blocks. 2) objectionable, disagreeable, unpleasant, offensive, nasty, loathsome, repellent, repugnant, repulsive, noisome, nauseating, nauseous, revolting, sickening, disgusting, obnoxious, mephitic, rotten, corrupt, filthy, vile, heinous, bad, sordid, evil, foul, perverted, immoral, depraved, degenerate, base, debased, detestable, hateful, abominable, execrable, despicable, odious: The East End murders were among the ugliest crimes of the century. He sprang from his seat with an ugly curse on his lips. 3) disquieting, uncomfortable, discomforting, troublesome, awkward, disadvantageous, ominous, dangerous, perilous, hazardous: He found himself in a very ugly position, with no apparent means of escape. 4) unpleasant, disagreeable, surly, hostile, nasty, spiteful, bad-tempered, ill-tempered, currish, irascible, curmudgeonly, cantankerous, crabby, crabbed, crotchety, cross, cranky, mean: He's in an ugly mood till he's had his coffee.