adjective having or demonstrating ability to recognize or draw fine distinctions
Similarperceptive
adjective keenly and painfully felt; as if caused by a sharp edge or point
Oppositesdull
adjective having or made by a thin edge or sharp point; suitable for cutting or piercing
Similarcarnassialchisel-likedagger-likedrill-likeedgedfang-likefile-likeincisivekeenknifelikemetal-cuttingpenetrativerazor-sharpsharpenedsharp-toothed
Oppositesdull
adjective very sudden and in great amount or degree
Similarsudden
adjective quick and forceful
Similarforceful
Source: WordNet 3.1, Princeton University
