easy, slow, slowly, tardily

steadily, quickly, slowly, gradually, exponentially, fastly, fast, dramatically, swiftly, progressively, incrementally, aggressively, explosively, apace, increasingly, inexorably, continuously, significantly, steeply, speedily, precipitously, dynamically, substantially, continually, uncontrollably, drastically, geometrically, briskly, effectively, robustly, epidemically, profitably, imperceptibly, radically, globally, linearly, unpredictably, suddenly, sharply, easily, instantaneously, constantly, efficiently, eastward, evermore, considerably, soon, nimbly, sluggishly, stealthily, thereby, massively, vastly, decisively, stably, tenfold, commensurately, geometric progression, gracefully, alarmingly, painlessly, phenomenally, rampantly, inexpensively, prodigiously, strategically, flexibly, twelvefold, irreversibly, agilely, tremendously, remorselessly, outwards, southwards, appreciably, turbulently, forcefully, glacially, astronomically, naturally, chaotically, seamlessly, proportionately, markedly, erratically, unevenly, nicely, instantly, spontaneously, durably, perceptibly, en masse, northward, furiously, westward, technologically, cheaply, methodically, organically, expediently, northeastwards, readily, accelerated, actual, aggregate, forecasted, incremental, paced, quicker, rapid, spectacular, anticipated, average, expected, future, phenomenal, recent, slow, undoubtedly, unprecedented, war, advective

., accelerated, activeness, activity, acute leukemia, agdestis, agropyron repens, ailanthus altissima, aspergillosis, atomic number 19, ball of fire, birling, blab, blabber, blaze, blaze away, blaze out, blink, blinking, brooder pneumonia, cercidiphyllum japonicum, chain lightning, chatter, clack, click off, clonic, comfrey, community, convolution, couch grass, crash-dive, cumfrey, cyclotron, dart, darter, deflagrate, destabilize, dispatch, disturb, dog grass, drill, drive, drogue, drogue chute, drogue parachute, dropping, drum roll, eject, epidemic disease, expand, explode, explosively, eye blink, fast, fast-breaking, fast-paced, fast lane, fell, flash-freeze, flash-frozen, fleet, flicker, flit, flitter, flutter, flutter kick, fly, forked lightning, frisk, frozen, gabble, galloping, genus agdestis, gibber, glissando, go-getter, gorger, gray poplar, growth industry, gulping, guzzling, hasten, hispanic, hurried, hurrying, image, induce, inflationary spiral, irrupt, judder, kaleidoscopic, kaleidoscopical, katsura tree, keratoacanthoma, limitation, logrolling, machine gun, martensite, maunder, menu, mercury, natural glass, nictation, nictitation, palaver, palilalia, palpitate, paradiddle, patient, pelting, pentothal, perishables, physiological nystagmus, piffle, populus canescens, potassium, prate, prattle, preassemble, prefabricate, prefabrication, proliferate, pullulate, pyramid, quackgrass, quack grass, quick, quick-freeze, quick-frozen, quick grass, quick study, quiver, rain, roll, rotational nystagmus, run, rush, scaler, scoffer, shake, shorthand, sinker, snowball, soar, soar up, soar upwards, speed, speeded up, speeding, speedy, spin, spinning, spirit away, spoilables, sponge, stenography, stimulate, strider, sunrise industry, surge, swilling, swirl, swirling, tattle, television-camera tube, television pickup tube, thiopental, thiopental sodium, thiopentobarbital sodium, tittle-tattle, tree of heaven, tree of the gods, trill, troll, twaddle, twirl, twist, twisting, vanish, vaporize, vibrate, vibrating, vibratory, virginia beach, volcanic glass, volley, vortex, wave, waver, whirl, whirligig beetle, whirling, whirring, whistle, whistling, whiz, whiz-kid, whizz-kid, wildfire, wink, winking, witchgrass, witch grass, yodel, yodeller, zoom

apace, chop-chop, quickly, speedily