The term 'KIND OF LOSER' can be broken down into two crossword solutions: SORE (4 letters) and BORN (4 letters). SORE is an adjective that means 'aching or painful, especially from exertion or strain'. BORN is an adjective that means 'existing from birth; innate'. Together, these two words can be used to describe someone who has been a loser since birth, or someone who has been a loser for a long time due to the pain and strain of their situation.