Falling back is a term that can refer to a variety of different situations. In this case, the crossword solutions for the term are EBBING (6 letters), RETREAT (7 letters), and RELAPSE (7 letters). EBBING refers to a gradual decrease in intensity or activity, while RETREAT implies a withdrawal from a position or situation. RELAPSE is a return to an earlier condition or state. All three words can be used to describe the concept of falling back.