| at once(noun, expression, idiom, adverb, time) |
| immediately(noun, adverb, time, first, now) |
| without delay(noun, expression, adverb, directly, immediately) |
| instantly(noun, adverb, time, first, now) |
| promptly(noun, adverb, first, now, directly) |
| directly(noun, adverb, time, first, now) |
| straight away(noun, verb, adverb, phrasal verb, directly) |
| forthwith(adverb, time, now, directly, immediately) |
| straightaway(adverb, time, first, now, directly) |
| now(adverb, time, directly, immediately, rapidly) |
| pronto(adverb, now, directly, immediately, quickly) |
| quickly(adverb, straight, away, now, immediately) |
| in no time(noun, expression, idiom, time, quick) |
| speedily |
| on the spot(expression, idiom, adverb, time, quick) |
| instantaneously(adverb, first, directly, immediately, quickly) |
| straight off(expression, adverb, time, directly, immediately) |
| instanter(adverb, now, directly, immediately, quickly) |
| right off(verb, adverb, phrasal verb, time, directly) |
| swiftly |