| without delay(expression, idiom, first, directly, immediately) |
| at once(expression, idiom, adverb, directly, immediately) |
| fast(adjective, adverb, quickly, rapidly, swiftly) |
| rapidly(adverb, directly, immediately, quickly, instantly) |
| swiftly(adverb, directly, immediately, quickly, rapidly) |
| forthwith(adverb, now, directly, immediately, rapidly) |
| right away(verb, expression, phrasal verb, directly, immediately) |
| imminently |
| in a minute(expression, idiom, adverb, time, now) |
| one day |
| posthaste(adverb, quickly, rapidly, swiftly, snappily) |
| readily |
| before too long(expression, idiom) |
| afterward(adverb, following) |
| expeditiously(adverb, directly, immediately, quickly, rapidly) |
| in a second(expression, idiom, adverb, immediately, quickly) |
| in a while(expression, idiom, adverb) |
| in due course(expression, idiom, adverb) |
| in time(expression, adjective, adverb, quick, directly) |
| later |