The term 'skinny one' can be represented by four different words in a crossword puzzle: WISP (4 letters), SCRAG (5 letters), REED (4 letters), bag of bones (10 letters), and stringbean (10 letters). A WISP is a thin, small amount of something, such as smoke or fog. A SCRAG is an old, thin person. A REED is a tall, thin plant that grows in water. A bag of bones is an expression used to describe someone who is very thin and frail. Finally, a stringbean is a tall, thin person. All of these words can be used to describe someone who is skinny.