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