Abominable, Alarming, Awkward, Bad, Base, Bearish, Bitchy, Bitter, Blemished, Blotted, Cacophonous, Cantankerous, Churlish, Corrupt, Crabby, Cranky, Critical, Cross, Crotchety, Crusty, Dangerous, Debased, Defaced, Degenerate, Depraved, Despicable, Detestable, Disadvantageous, Disagreeable, Discomforting, Disfigured, Disgusting, Displeasing, Disquieting, Distasteful, Evil, Excitable, Explosive, Filthy, Foul, Fractious, Ghastly, Grotesque, Gruesome, Hateful, Hazardous, Heinous, Hideous, Homely, Hostile, Huffy, Immoral, Inelegant, Irascible, Irritable, Loathsome, Marred, Mean, Menacing, Nasty, Nauseating, Nauseous, Noisome, Objectionable, Obnoxious, Odious, Offensive, Ominous, Parlous, Perilous, Perverse, Perverted, Plain, Repellent, Repugnant, Repulsive, Revolting, Rotten, Serious, Sickening, Sordid, Sour, Spiteful, Splenetic, Spoiled, Surly, Testy, Thankless, Threatening, Troublesome, Unaesthetic, Unappealing, Unattractive, Uncomely, Uncomfortable, Undesirable, Uninviting, Unlovely, Unpalatable, Unpleasant, Unpleasing, Unprepossessing, Unsavory, Unsightly, Unwelcome, Vile, Waspish