This penetrating style of portraiture works on the subtlest of emotional responses as well.
And I have found peace in this land of sun, sand, conflict, religion, history, and penetrating eyes.
They looked like they'd been separated at birth: the same build, the same part in their hair, the same penetrating eyes.
"touching the feelings intensely," 1630s, figurative present participle adjective from penetrate (v.).
1520s, from Latin penetratus, past participle of penetrare "to put or get into, enter into," related to penitus "within, inmost," penus "innermost part of a temple, store of food," penates "household gods." Related: Penetrated; penetrating.