Razor-sharp (adjective)

Extremely sharp, as if cut with a razor.

Origin:

razor + sharp.

Examples:

1. The chef's knife was razor-sharp, it cut through the vegetables with ease.
2. His mind was razor-sharp, he was able to solve the complex problems easily.
3. The edge of the sword was razor-sharp, it could slice through armor.
4. The razor-sharp claws of the predator enabled it to capture its prey easily.
5. The skater's blades were razor-sharp, they glided smoothly on the ice.