razor edge
Blade's finest point
A razor edge is an extremely sharp cutting edge, like that of a razor blade.
The phrase extends to anything precisely honed or dangerously fine: The team performed on a razor edge between brilliance and disaster.
A razor-edge distinction is one requiring extreme precision to perceive.
Also razor's edge.
- sharpFine-edged, or astute
- bladeFlat cutting edge
- keenSharp or enthusiastic
- cuttingDividing via sharp edge
- honedSharpened or refined
sharp as a tack · precision · thin · danger · steel · shave · close shave · slice · precipice · brink · fine · narrow · fine line · perilous · scalpel · knife · whetstone · hair-splitting
- cutting edgesknife blade, saw teeth, axe blade, jigsaw blade, hacksaw
- edgesborder, boundary, brim, brink, perimeter
- sharpnesssharpness, keenness, point, acuity, precision
- sharpeningsharpening, sharpen, honing, whet, stropping
- kniveschef's knife, pocket knife, utility knife, steak knife, boning knife
- straight edgesruler, straightedge, line, ledge, curb
razor edgebluntness
Frank, unvarnished manner
dullness · rounded edge · flat edge · butter knife · smooth edge
razor edgecoarseness
Rough or vulgar quality
imprecision · vagueness · blunt instrument · bluntness · rough estimate
razor, edge, razors, razored, razoring, edges, edged, edging, edgy