having or showing shrewdness or keen intelligence

her piercing analysis

a tall blonde with piercing eyes

a small hole in a part of the body, typically other than the ears, made so as to insert a ring, stud, or other piece of jewellery

this is the place to get your tattoo or piercing done

(of a sharp pointed object) go into or through (something)

a splinter had pierced the skin

force a way through; penetrate

they were seeking to pierce the missile defences

a shrill voice pierced the air