1unpleasant or repulsive, especially in appearance:she thought she was ugly and fat the ugly sound of a fire alarm
2involving or likely to involve violence or other unpleasantness:the mood in the room turned ugly unpleasantly suggestive; causing disquiet:ugly rumours persisted that there had been a cover-up morally repugnant:racism and its most ugly manifestations, racial attacks and harassment
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verb (uglifies, uglifying, uglified)-
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noun