Keen and Razor sharp

Keen adjective - Able to sense slight impressions or differences.

Razor sharp and keen are semantically related In some cases you can use "Razor sharp" instead an adjective "Keen".

Nearby Words: keenness, keenly

Keen and razor sharp are semantically related in sarcastic topic. Sometimes you can use "Keen" instead an adjective phrase "Razor sharp", if it concerns topics such as sharp, knifelike.