penetrating

The stocky build had dwindled to slimness, the thick silver hair tinted black, and the distinctive Ashton nose altered with putty, but those dark and penetrating eyes would be impossible to mistake.

He was a big man, with a cold and penetrating stare.

After an initial attack, the 17-year-old went back into the house, returning with a kitchen knife, stabbing Mr Aman through his clothes, penetrating his heart.

By analyzing the plume material, scientists can assess subsurface conditions without penetrating the crust.

The psychiatrist’s penetrating knowledge of Göring’s character is supposed to be critical to the prosecution, but though the movie keeps telling us this happened, it does not convince.