·noun A silent letter.
II. Quiescent ·adj Not sounded; silent; as, y is quiescent in "day" and "say.".
III. Quiescent ·adj Being in a state of repose; at rest; still; not moving; as, a quiescent body or fluid.
IV. Quiescent ·adj Not ruffed with passion; unagitated; not in action; not excited; quiet; dormant; resting.