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. Prof. Wilson.
3. (Gram.) Not sounded; silent; as, y is quiescent in “day” and “say.”