| immediately(noun, adverb, time, first, now) |
| at once(noun, expression, idiom, adverb, time) |
| right away(noun, verb, expression, adverb, phrasal verb) |
| directly(noun, adverb, time, first, now) |
| promptly(noun, adverb, early, now, directly) |
| instantaneously(adverb, first, directly, immediately, quickly) |
| without delay(noun, expression, idiom, adverb, directly) |
| once |
| quickly(adverb, suddenly, punctually) |
| when |
| forthwith(adverb, time, early, now, directly) |
| now(adverb, time, directly, immediately, rapidly) |
| straightaway(adverb, time, first, now, directly) |
| speedily(adverb, early, directly, immediately, quickly) |
| swiftly(adverb, directly, immediately, punctually) |
| straight away(noun, verb, expression, adverb, phrasal verb) |
| straight off(verb, expression, adverb, phrasal verb, time) |
| as soon as(verb, expression, adverb, phrasal verb) |
| instanter(adverb, now, directly, immediately, quickly) |
| momentarily |