| instantly(noun, adverb, time, first, now) |
| at once(noun, expression, idiom, adverb, time) |
| without delay(noun, expression, idiom, adverb, first) |
| instantaneously(adverb, first, directly, quickly, haste) |
| directly(noun, adjective, adverb, conjunction, time) |
| promptly(noun, adjective, adverb, quick, first) |
| right away(noun, verb, expression, adverb, phrasal verb) |
| quickly(adverb, straight, now, rapidly, promptly) |
| once(noun, conjunction) |
| when |
| speedily(adverb, freely, directly, quickly, easily) |
| swiftly(adverb, directly, quickly, rapidly, haste) |
| forthwith(adverb, time, earliness, punctually, at once) |
| straight away(noun, verb, expression, adverb, phrasal verb) |
| pronto(adverb, quick, now, directly, quickly) |
| as soon as(verb, phrasal verb, conjunction, british, expression) |
| straightaway(adverb, time, first, now, directly) |
| now(adverb, time, presently) |
| hastily(adverb, quickly, rapidly, speedily, suddenly) |
| soon(adjective, adverb, quick, first, now) |