At an advantage is a phrase that describes a situation in which one has an advantage over another. The crossword solutions for this phrase are AHEAD (5 letters), ASSET (5 letters), and BETTEROFF (9 letters). AHEAD implies that one is AHEAD of the other, while ASSET implies that one has something of value that the other does not. BETTEROFF implies that one is in a better position than the other. All three of these words can be used to describe a situation in which one has an advantage over another.