| ready(hot, fast, quick, nimble, speedy) |
| right away(adverb, now, directly, immediately, rapidly) |
| right now(adverb, now, directly, immediately, rapidly) |
| rushed(quick, summary, rapid, speedy, instant) |
| snappy(hot, fast, quick, rapid, nimble) |
| speedball(hot, fast, quick, abrupt, nimble) |
| speedy(hot, fast, quick, abrupt, rapid) |
| this instant(expression, adverb, directly, rapidly, instantly) |
| unhesitatingly(adverb, directly, immediately, rapidly, instantly) |
| winged(hot, fast, quick, nimble, speedy) |
| without hesitation(expression, adverb, directly, rapidly, instantly) |
| abrupt(fast, quick, summary, speedy, unexpected) |
| alacritous(summary, abrupt, rapid, unexpected, instant) |
| amain |
| anon(adverb, now, directly, immediately, rapidly) |
| at flank speed(expression, idiom) |
| barrelling(summary, abrupt, rapid, unexpected, instant) |
| blue streak(expression, hot, quick, nimble, speedy) |
| brief(fast, quick, rapid, speedy, swift) |
| by and by(expression, idiom, now, soon, swiftly) |