piercing

adj.

[1]	strident , acute , discriminating , shrill , harsh , incisive , keen , ear-splitting , ear-shattering , knifelike , penetrating , high-pitched , screaming , penetrative , sharp , shrieking , screeching , loud , blaring
[2]	probing , cutting , keen , searching , penetrating , knifelike , stabbing , sharp , keen , lancinate , lancinating , arresting , gripping , spellbinding , enthralling , fascinating , entrancing
[3]	penetrating , icy , frosty , frigid , chilling , freezing , cold , numbing , keen , wintry , arctic , raw , bitter , fierce , biting , nipping , nippy
[4]	stabbing , shooting , excruciating , exquisite , acute , sharp , severe , agonizing , fierce , intense , painful , racking