| speedily(adverb, fast, quickly, hastily, pronto) |
| quickly(adverb, fast, quickly, hastily, pronto) |
| swiftly(adverb, fast, quickly, hastily, pronto) |
| fast(adjective, adverb, quickly, pronto) |
| hastily(adverb, fast, quickly, hastily, pronto) |
| apace(adverb, fast, quickly, pronto) |
| expeditiously(adverb, quick, early, directly, immediately) |
| briskly(adverb, fast, quickly, hastily, pronto) |
| promptly(adverb, fast, quickly, pronto) |
| lickety-split(adjective, adverb, fast) |
| hurriedly(adverb, fast, quickly, hastily, pronto) |
| pronto(adverb, fast, quickly) |
| abruptly(adverb, fast, quickly, hastily, pronto) |
| instantaneously(adverb, fast, quickly, pronto) |
| like a shot(expression, idiom, adverb, fast, quickly) |
| chop-chop(adverb, fast, quickly, pronto) |
| in haste(expression, idiom, adverb, fast, quickly) |
| soon(adverb, directly, immediately, quickly, instantly) |
| immediately(adjective, adverb, fast, directly, quickly) |
| posthaste(adjective, adverb, fast, quick, early) |