be sharp
Definition:
to be sharp, be alert, be keen 1a) (Qal) to be sharp, be keen 1b) (Hiphil) to sharpen 1c) (Hophal) to be sharpened Also means:
cha.dah (חָדַה "to sharpen"
h2300B)
Definition:
to be (causatively, make) sharp or (figuratively) severe; be fierce, sharpen.; a primitive root