Quickly
Synonyms: Fast, rapidly, at high speed, at (full) speed, at full tilt, briskly, post-haste, like a whirlwind, at breakneck speed, madly, with dispatch, in double quick time, nippily, hell for leather, like mad, like blazes, like a bomb, like a scalded cat, a mile a minute, like a bullet out of a gun, at a rate of knots, lickety-split, immediately, at once, straight away, instantly, as soon as possible, without delay, instantaneously, abruptly, soon after, early, like a shot, pronto, straight off, instanter, fleetingly, in haste, hurriedly, cursorily, superficially, swiftly, speedily, with all speed, at the speed of light, at a gallop, at the double, with all possible haste, like an arrow from a bow, expeditiously, hotfoot, double quick, p.d.q. (pretty damn quick), like (greased) lightning, at warp speed, like crazy, like the wind, like nobody's business, like the deuce, like a bat out of hell, like the clappers, like billy-o, apace, directly, now, right away, forthwith, shortly, without further/more ado, suddenly, soon, promptly, momentarily, ASAP (as soon as possible), before you can say knife, straight, briefly, hastily, precipitately, in a hurry, perfunctorily, and desultorily.
Example Sentences
He finished the task quickly.
The car moved very quickly.
She learned the material quickly.
We solved the problem quickly.
They adapted to changes quickly.