(a) With rapid motion, with great velocity, at a great speed; covering distance in a short time; -- often in conventional comparisons; (b) promptly; without delay, at once, immediately; (c) within a……
(a) With great speed, with rapid movement [sometimes difficult to distinguish from (b)]; (b) soon; in a short period of time, quickly; right away, at once, immediately; also, within a short period of……
