Qui*es"cent (?), a. [L. quiescens, -entis, p. pr. of quiescere: cf. F. quiescent. See Quiesce.] 1. Being in a state of repose; at rest; still; not moving; as, a quiescent body or fluid.

2. Not ruffed with passion; unagitated; not in action; not excited; quiet; dormant; resting.

In times of national security, the feeling of patriotism . . . is so quiescent that it seems hardly to exist.

3. (Gram.) Not sounded; silent; as, y is quiescent in "day" and "say."

Qui*es"cent, n. (Gram.) A silent letter. M. Stuart.

• Inactive, at rest, quiet.