| instantaneously(adverb, directly, immediately, rapidly, instantly) |
| pronto(adverb, fast, directly, immediately, quickly) |
| rapidly(adverb, directly, immediately, quickly, instantly) |
| fast(adverb, quickly, rapidly, speedily) |
| in no time(expression, idiom, adverb, quickly, rapidly) |
| lickety-split(adverb, fast) |
| hastily(adverb, quickly, rapidly, speedily) |
| in a jiffy(expression, adverb, directly, immediately, rapidly) |
| instantly(adverb, directly, immediately, rapidly) |
| quickly(adverb, fast, rapidly, speedily) |
| swiftly(adverb, directly, immediately, quickly, rapidly) |
| alacrity |
| apace(adverb, fast, quickly, rapidly, speedily) |
| double-time(directly, immediately, rapidly, instantly, shortly) |
| in haste(expression, quickly, rapidly, speedily) |
| in nothing flat(expression, directly, quickly, rapidly, instantly) |
| like a shot(expression, idiom, adverb, quickly, rapidly) |
| promptly(directly, immediately, quickly, rapidly, instantly) |
| soon(directly, immediately, quickly, rapidly, instantly) |
| PDQ(directly, immediately, rapidly, instantly, shortly) |