Well adapted for cutting or piercing; having a keen edge or point: opposed to blunt. Having a keen cutting edge. Also said of the edge.

Having a sharp edge or sharp edges.

Having a good edge; esp. (of a blade) having a keen edge, sharp.

Having a hard sharp edge.

Sharp-edged; razor-like. Frequently figurative.

Characterized by a blade or blades; blade-like. Esp. in blady grass; spec. the coarse grass Imperata arundinacea of Australia, Indonesia, etc.

that has a sharp or sharply defined edge; (figurative) incisive, cutting.

having a thin sharp edge like a knife.

A word invented by ‘Lewis Carroll’ apparently with the sense ‘keen, deadly’; also in subsequent allusive uses.

The edge of a knife; also transferred, anything keenly cutting. Also attributive = knife-edged adj. at derivatives.

Resembling the edge of a knife in narrowness or sharpness; also figurative (see quot. 1937).