| soon(adverb, directly, immediately, quickly, rapidly) |
| forthwith(adverb, earliness, punctually) |
| right away |
| in haste(adverb, fast, quickly, rapidly, pronto) |
| quick(adjective, adverb, early, quickly, rapidly) |
| straightaway(adverb, directly) |
| suddenly(adverb, earliness) |
| like a shot(adverb, fast, quickly, rapidly, pronto) |
| fleetly(adverb, quick, early, immediately, quickly) |
| double-quick(adjective, adverb, quick, rapidly, hastily) |
| in no time(expression, idiom, adverb, freely, immediately) |
| posthaste(adjective, adverb, fast, quick, early) |
| readily(adverb, quickly, effortlessly) |
| summarily(adverb, delay, earliness) |
| swift(adjective, adverb, quickly, rapidly) |
| feverishly(adverb, hastily) |
| snappily |
| cursorily |
| like greased lightning(expression, idiom, adverb, quickly, rapidly) |
| nimbly(adverb, vigorously, earnestly, actively, hastily) |