Bad is a concept in ethics used to describe undesirable circumstances or events. Bad may also be: · Bad , a concept in economics which is used to describe an object or situation that is harmful to the persons affected by it, in contrast to a good · Bad , a 1987 Michael Jackson album *"Bad" , a song from that album · "Bad" , a song by the rock band U2 · Andy Warhol's Bad, a 1977 film · In Germany, the first part of the names of most spa towns, a cognate to the English "bath" · Bcl-2-associated death promoter, a pro-apoptotic protein · Bad, Uttar Pradesh, a census town in India · Royce da 5'9", American rapper known as "Bad" in the group Bad Meets Evil See also · BAD · Evil Bad BadBadBadBadBad???