quicken, v. [revive], vivify, vitalize, resuscitate, [animate]; [excite], [stimulate], [incite], [actuate]; accelerate, expedite, [hasten], [advance], facilitate, further. Antonyms: [impede], [retard], [hinder], [obstruct], [check].
quickening, n. vivification, resuscitation, reanimation, [revivification], [animation]; [excitement], stimulation, [actuation], [incitement]; acceleration, expedition.
quickening, a. accelerative.
quickness, n. fleetness, expedition, [rapidity], celerity, alacrity, [agility], [dispatch], velocity, [haste], [speed], facility.
quicksand, n. syrtis.
quid, n. [cud].
quiddity, n. [cavil], [quibble], [subterfuge].
quiet, a. [calm], [still], pacific, [motionless], [unmoved], [stagnant], placid, [serene], undisturbed, unruffled, halcyon, unmolested; hushed, [silent], [still], [noiseless], inaudible; [demure], [meek], inoffensive, [gentle], [retiring], [modest], [unobtrusive], unassuming, [undemonstrative], [staid], [reserved], [sedate]; [sequestered], unfrequented, [retired], [secluded]. Antonyms: [noisy], [tumultuous], [boisterous], hoidenish, [rude], [stormy], disturbed, [obtrusive], [forward], demonstrative.
quiet, v. [still], [hush], [lull], [appease], [allay], compose, tranquilize, [pacify], becalm; assuage, [alleviate], [mollify], [moderate], [relieve]. Antonyms: [arouse], [aggravate], [exasperate], [intensify], [increase].
quietness, n. stillness, quiescence, [quiet], [repose], [calmness], tranquillity, [serenity], unobtrusiveness, [silence], inaudibility.