What does "shamefaced" mean?

Shamefaced: Easily confused or put out of countenance; diffident; bashful; modest. Your shamefaced virtue shunned the people's prise. Dryden. Note: Shamefaced was once shamefast, shamefacedness was shamefastness, like steadfast and steadfastness; but the ordinary manifestations of shame being by the face, have brought it to its present orthography. Trench. -- Shame"faced, adv. -- Shame"faced`ness, n.