| quick(adjective, adverb, fast, speedy) |
| pronto(adjective, adverb, informal, fast) |
| swift(adjective, adverb, fast, quick) |
| hasty(adjective, adverb, fast, quick) |
| expeditious(adjective, adverb, fast, quick) |
| fleet(adjective, adverb, fast, quick) |
| presto(quick, nimble, speedy, brisk) |
| rapid(adjective, adverb, fast, quick) |
| speedy(adjective, adverb, fast, quick) |
| breakneck(adjective, adverb, fast, quick) |
| chop-chop(quick, nimble, speedy, brisk) |
| on the double(expression, idiom, fast, quick) |
| expeditive(fast, quick, nimble, speedy) |
| in nothing flat(expression, idiom, adverb, fast) |
| lickety split(expression, adjective, adverb, quick) |
| like a bat out of hell(expression, idiom, adverb, fast) |
| PDQ(quick, rapid, nimble, speedy) |
| accelerated(fast, quick, rapid, speedy) |
| active(adjective, fast, quick, nimble) |
| agile(adjective, fast, quick, nimble) |