The term 'Skeleton in the Closet, E.G.' is a metaphor for a SECRET that someone has kept hidden from others. The two crossword solutions for this term are SECRET (6 letters) and SOMETHINGTOHIDE (15 letters). SECRET implies that the person has been keeping something hidden from others, while SOMETHINGTOHIDE suggests that the person has something to hide. Both of these terms can be used to describe a situation where someone has a SECRET that they have kept hidden from others.