The term 'leave behind' can be defined as to ABANDON, discard, or FORGET something. The crossword solutions for this term include DESERT (6 letters), LOSE (4 letters), SHED (4 letters), FORGET (6 letters), ABANDON (7 letters), STRAND (6 letters), PASS (4 letters), outgrow (7 letters), SURPASS (7 letters), BEQUEATH (8 letters), getahead (8 letters), OUTSTRIP (8 letters), and shakeoff (8 letters). Each of these words can be used to describe the act of leaving something behind, whether it be a physical object, a feeling, or an idea.