Sharp-edged is a term used to describe something that has a very precise and well-defined edge. The crossword solutions for this term are KEEN (4 letters), ENSATE (6 letters), and TRENCHANT (9 letters). KEEN means having a sharp edge or point, ENSATE means having a sharp edge or point, and TRENCHANT means having a sharp edge or point that is able to cut easily. All three words can be used to describe something that is sharp-edged.