The term 'keen edged' can be described by two crossword solutions: 'SHARP' and 'HONED'. SHARP is an adjective that describes something that has a thin, pointed edge or end. It is often used to describe a blade or knife that is very SHARP. HONED is also an adjective that describes something that has been made SHARP or keen by grinding or rubbing. It is often used to describe a tool or weapon that has been sharpened to a fine edge. Together, the two words describe something that is very SHARP and finely HONED.