acceleration

decelerating, slackening, accelerating, weakening, stalling, softening, moderating, stagnating, quickening, plateauing, easing, faltering, dampening, slumping, lagging, bottoming, stabilizing, tightening, surging, declining, flattening, shrinking, abating, impeding, spurring, rising, flagging, ebbing, perking, bogging, tapering, fizzling, worsening, crimping, stopping, halting, decreasing, hurting, falling, overheating, buoying, diminishing, lessening, ramping, waning, stunting, delaying, shutting, sputtering, retrenching, sagging, firming, damps, relenting, inching, improving, limiting, cools, downshift, loosening, curbing, outpace, narrowing, denting, retarding, ratcheting, deteriorating, speeding, lagging indicator, lowering, tempering, drop, buckling, intensifying, curtailing, discouraging, constraining, derailing, subsiding, spiking, requiescat, steepening, hampering, countervailed, squeezing, slipping, souring, cutting, eroding, slacking, winding, shipside, boosting, subdued, inhibiting, backsliding, fading, outpaced, outstripping, disrupting, creeping, barreling, decrease, widening, blurring, increase, darkening, decreases, slowdown, thinning, decline, decrement, alteration, bradycardia, diminution, impairment, reduction

aestivation, arava, decalescence, estivation, hibernation, lag, leap second, leflunomide, rallentando, retardation, slowdown

fastness, speed, swiftness

deceleration