NASTY

adjective (nastier; -est) Etymology: Middle English Date: 14th century 1. disgustingly filthy, physically repugnant, indecent , obscene , mean , tawdry , 4. extremely hazardous or harmful , causing severe pain or suffering , sharply unpleasant ; disagreeable , 5. difficult to understand or deal with , psychologically unsettling ; trying , lacking in courtesy or sportsmanship , see: dirty nastily adverb nastiness noun ~ noun