| fast(soon, swiftly, snappily) |
| flat-out(quick, rapidly) |
| fleetly(quick, rapidly, soon, swiftly, snappily) |
| hastily(quick, rapidly) |
| hurriedly(quick, rapidly, soon, swiftly, snappily) |
| in a little while(expression, idiom, soon, swiftly, snappily) |
| in a minute(expression, idiom, soon, swiftly, snappily) |
| in a second(expression, idiom, soon, swiftly, snappily) |
| in a short time(expression, idiom, soon, swiftly, snappily) |
| in advance(expression, soon, swiftly, snappily) |
| in double time(expression, idiom, soon, swiftly, snappily) |
| in due time(expression, idiom, soon, swiftly, snappily) |
| in good time(expression, idiom, soon, swiftly, snappily) |
| in haste(expression, soon, swiftly, snappily) |
| in high gear(expression, idiom, soon, swiftly, snappily) |
| in nothing flat(expression, idiom, soon, swiftly, snappily) |
| in short order(expression, idiom, soon, swiftly, snappily) |
| in the bud(expression, idiom, soon, swiftly, snappily) |
| in time(expression, soon, swiftly, snappily) |
| lickety split(expression, soon, swiftly, snappily) |