Synonyms and related words :
amain, apace, at flank speed, at the double, crowded, double-quick, double-time, expeditiously, fast, hand over fist, hand over hand, hard-pressed, hard-pushed, hard-run, hastily, hell for leather, hell-bent, hell-bent for election, hurried, in double time, in double-quick time, in high, in high gear, in seven-league boots, lickety-cut, lickety-split, post, posthaste, pressed, pressed for time, promptly, pushed, quick, quickly, rapidly, rushed, snappily, speedily, swiftly, trippingly, under forced draft, whip and spur, with all haste, with giant strides, with rapid strides, with speed