| coming down the pike(expression, idiom, early, rapidly, soon) |
| contiguously |
| cracking(summary, abrupt, rapid, unexpected, instant) |
| cursory(fast, quick, rapid, speedy, swift) |
| dashing(hot, quick, rapid, nimble, speedy) |
| decisively |
| double-quick(summary, abrupt, rapid, unexpected, instant) |
| double time(expression, fast, rapid, swift) |
| electric(hot, quick, rapid, nimble, speedy) |
| ere long(expression, quick, early, directly, immediately) |
| expeditive(hot, fast, quick, nimble, speedy) |
| express(fast, quick, summary, rapid, speedy) |
| far ahead(expression, prompt, quick, timely, directly) |
| first off |
| flashing(hot, quick, rapid, nimble, speedy) |
| flat out(adverb, informal, fast) |
| fleet-footed(summary, abrupt, rapid, unexpected, instant) |
| fleeting(hot, quick, rapid, nimble, speedy) |
| hairtrigger(hot, quick, rapid, nimble, speedy) |
| harefooted(fast, quick, rapid, speedy, swift) |