1. (a.) Being in a state of repose; at rest; still; not moving; as, a quiescent body or fluid\.

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

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

4. (n.) A silent letter.

abeyant abiding at a standstill at rest calm changeless cloistered constant contemplative continuing cool do-nothing dormant durable dwindling ebbing echoless enduring even-tenored firm fixed frozen halcyon hush as death hushed idle immobile immutable impassive inactive inaudible inert intact inviolate isolated laissez-aller laissez-faire lasting lurking meditative moldering motionless mousy neuter neutral noiseless pacific paralytic paralyzed passive peaceable peaceful permanent perpetual persistent placid potential procrastinating quiet quietist quietistic remaining reposeful reposing restful resting rigid secluded sedentary sequestered sequestrated sheltered silent smooth solid soundless stable stagnant stagnating standpat static stationary staying steadfast still still as death stillish stilly stoic stolid subaudible subsiding sustained torpid tranquil unactive unagitated unaltered unarticulated unchangeable unchanged unchanging unchecked undestroyed undisturbed unfading unfailing unhearable unmoved unperturbed unpronounced unruffled unshifting unsounded unstirring untroubled unuttered unvaried unvarying unvocalized unvoiced vegetable vegetative waning whist