| rapidly(adverb, quickly, speedily) |
| swiftly(adverb, quickly, rapidly, soon, snappily) |
| hastily(adverb, quickly, rapidly, speedily) |
| quickly(adverb, fast, rapidly, soon, swiftly) |
| in haste(expression, adverb, quickly, rapidly, soon) |
| pronto(adverb, fast, quickly, rapidly, soon) |
| speedily(adverb, quickly, rapidly) |
| at once(expression, adverb, quickly, rapidly, soon) |
| hurriedly(adverb, quickly, rapidly, soon, swiftly) |
| immediately(adverb, quickly, rapidly, speedily) |
| lickety-split(adverb, fast) |
| like a shot(expression, idiom, adverb, quickly, snappily) |
| shot |
| apace(adverb, fast, quickly, rapidly, speedily) |
| fast(adverb, speedy, brisk, quickly, rapidly) |
| full tilt(expression, quickly, rapidly, soon, snappily) |
| in a trice |
| in nothing flat(expression, idiom, fast, brisk, quickly) |
| like wildfire(expression, quickly, rapidly, soon, snappily) |
| promptly(adverb, quickly, rapidly, speedily) |