| in nothing flat(expression, idiom, adverb, fast) |
| quick(adjective, adverb, fast, speedy) |
| on the double(expression, idiom, adverb, quick) |
| posthaste(adjective, adverb, fast, quick) |
| in a jiffy(expression, idiom, adverb, quick) |
| swift(adjective, fast, quick, speedy) |
| presto(quick, nimble, speedy, brisk) |
| hasty(adjective, fast, quick, rapid) |
| pdq(quick, speedy, now, directly) |
| agile(adjective, fast, quick, nimble) |
| breakneck(fast, quick, rapid, nimble) |
| brisk(fast, quick, nimble, speedy) |
| double-time(quick, speedy, directly, immediately) |
| expeditious(fast, quick, rapid, nimble) |
| fleet(fast, quick, rapid, nimble) |
| flying(fast, quick, abrupt, rapid) |
| hurried(fast, quick, rapid, nimble) |
| lickety split(expression, quick, nimble, speedy) |
| like a bat out of hell(expression, idiom, adverb, fast) |
| like mad(expression, quick, abrupt, nimble) |