keen edge
What razors have
A keen edge is one that has been sharpened to cut cleanly and easily.
The phrase appears in descriptions of knives, razors, and bladed tools: The knife held a keen edge even after heavy use.
Figuratively, a keen edge suggests sharpness of mind or precision: Her wit had a keen edge to it.
- sharpFine-edged, or astute
- razor sharpExtremely fine edge
- bladeFlat cutting edge
- razorBlade for removing hair
- honedSharpened or refined
cutting · whetstone · steel · cold steel · slice · fine · precision · surgical precision · biting · piercing · incisive · glinting · cold · dangerous · thin · paper thin · lethal · sharpened
- sharp edgesknife blade, razor blade, scalpel, box cutter, axe blade