easy, slow, slowly, tardily

steadily, slowly, briskly, inexorably, rapidly, swimmingly, remorselessly, smoothly, exponentially, gradually, merrily, abreast, stealthily, ad infinitum, incrementally, eastwards, healthily, onward, northwards, geometric progression, uninterruptedly, robustly, fast, speedily, fastly, agog, fitfully, southwards, determinedly, evermore, fever pitch, rampantly, appreciably, afoot, notwithstanding, interminably, sub rosa, evitable, upwards, satisfactorily, modestly, unsteadily, swiftly, westward, restlessly, quietly, fro, spasmodically, glacially, ploddingly, sine qua non, busily, furiously, underwhelm, ominously, industriously, progressively, undeterred, ahead, nicely, indecisively, steeply, frenetically, thereafter, bemuse, cautiously, sluggishly, anxiously, whilst, resolutely, tiresomely, downwards, doggedly, well, dramatically, northwestward, au courant, creakily, episodically, hokey cokey, sensibly, commensurately, unthreatened, impotently, uneasily, feverishly, backwards, soon, ceaselessly, kaput, over, space, aud, while, arid, tomorrow, can, fund, inside, room, stock, today, upstairs, downstream, mileage, put, tho, time, tonight, ...., current

chop-chop, quickly, rapidly, speedily