| screaming(fast, quick, abrupt, showy, speedy) |
| shaking a leg(expression, idiom, summary, abrupt, showy) |
| short(summary, abrupt, rapid, unexpected, instant) |
| short-lived(summary, abrupt, rapid, unexpected, instant) |
| shortly(now, directly, immediately, rapidly, instantly) |
| snap(hot, quick, rapid, nimble, speedy) |
| snappy(hot, quick, summary, nimble, speedy) |
| soon afterward(expression, directly, immediately, rapidly, instantly) |
| spanking(summary, abrupt, rapid, unexpected, instant) |
| speedily(directly, immediately, quickly, rapidly, instantly) |
| straight away(expression, directly, immediately, rapidly, instantly) |
| straight off(expression, directly, immediately, rapidly, instantly) |
| sudden(summary, abrupt, rapid, unexpected, instant) |
| summarily(directly, immediately, rapidly, instantly) |
| swiftly(directly, immediately, quickly, rapidly, soon) |
| thereupon(directly, immediately, rapidly, instantly) |
| this instant(expression, directly, immediately, rapidly, instantly) |
| this minute(expression, directly, immediately, rapidly, instantly) |
| tout de suite(expression, idiom, directly, immediately, rapidly) |
| unexpected(summary, abrupt, rapid, instant, sudden) |