The term 'turn inside out' can be expressed in two different ways in a crossword puzzle. The first is 'INVERT' which is a six letter word and the second is 'evert' which is a five letter word. Both words mean to turn something inside out, or to reverse the position of the inner and outer parts of something. This phrase is often used to describe clothing, such as turning a shirt inside out before washing it. It can also be used to describe other objects, such as turning a box inside out to make a different shape.