The term AT ___ (STUMPED) can be solved by two different crossword solutions. The first solution is a 4 letter word, 'ALOSS', which means 'at a loss' or 'without any idea'. This phrase is often used to describe someone who is confused and unable to think of a solution to a problem. The second solution is a 5 letter word, 'STUMPED', which means 'PERPLEXED' or 'unable to think of a solution'. This phrase is often used to describe someone who is completely baffled and has no idea how to proceed.