| in a trice(noun, adverb) |
| in a wink(noun, adverb) |
| in nothing flat(expression, hot, quick, speedy, directly) |
| instanter(adverb, directly, immediately, rapidly, instantly) |
| on the double(expression, hot, quick, speedy, directly) |
| once |
| presto(hot, quick, first, nimble, speedy) |
| shortly(adverb, directly, immediately, rapidly, instantly) |
| summarily(first, now, directly, immediately, rapidly) |
| swiftly |
| thereupon(first, now, directly, immediately, rapidly) |
| unhesitatingly(adverb, directly, immediately, easily, rapidly) |
| without hesitation(expression, adverb, directly, immediately, easily) |
| accelerated(hot, quick, rapid, speedy) |
| active(hot, quick, rapid, nimble, speedy) |
| agile(hot, quick, rapid, nimble, speedy) |
| at drop of hat(expression, idiom, adverb, readily, dexterously) |
| at short notice(expression, idiom, directly, immediately, rapidly) |
| at the drop of a hat(expression, adverb, immediately, easily, readily) |
| away(directly, immediately, rapidly, instantly) |