| snappy(adjective, urgent) |
| splitting(adjective, urgent) |
| whirlwind(adjective, urgent) |
| zippy(adjective, urgent) |
| abrupt(summary, rapid, unexpected, instant, sudden) |
| alacritous(summary, abrupt, showy, rapid, unexpected) |
| barrelling(summary, abrupt, showy, rapid, unexpected) |
| cracking(summary, abrupt, rapid, unexpected, instant) |
| double-quick(summary, abrupt, showy, rapid, unexpected) |
| in nothing flat(expression, idiom, summary, abrupt, showy) |
| like crazy(expression, summary, abrupt, showy, unexpected) |
| like mad(expression, summary, abrupt, showy, unexpected) |
| on the double(expression, idiom, summary, abrupt, unexpected) |
| pronto(summary, abrupt, rapid, unexpected, instant) |
| screaming(summary, abrupt, showy, rapid, unexpected) |
| shaking a leg(expression, idiom, summary, abrupt, showy) |
| short(summary, abrupt, rapid, unexpected, instant) |
| short-lived(summary, abrupt, rapid, unexpected, instant) |
| spanking(summary, abrupt, rapid, unexpected, instant) |
| speedball(summary, abrupt, showy, rapid, unexpected) |