The term 'Slim Advantage' is a phrase used to describe a situation in which one has a slight advantage over another. The crossword solution for this term is EDGE, which is a four-letter word meaning the line or boundary at which two surfaces meet. This term is often used to describe a situation in which one person or group has a slight advantage over another. For example, if two teams are competing in a race, the team with the slimmest advantage may be the one that wins.