| Main Entry: | |
| Part of Speech: | adverb |
| Definition: | immediately |
| Synonyms: | at once, betimes, directly, first, freshly, in a jiffy, in an instant, in no time, instantaneously, instantly, newly, presto, primitively, promptly, recently, right away, seasonably, soon, straightaway, summarily, thereon, thereupon, timely, without delay |
| Antonyms: | late |
| Main Entry: | immediately |
| Part of Speech: | adverb |
| Definition: | at once, right away |
| Synonyms: | PDQ, anon, at short notice, away, directly, double-time, forthwith, hereupon, in a New York minute, in a flash, in a jiffy, in nothing flat, instantaneously, instanter, instantly, like now, now, now or never, on the dot, on the double, on the spot, promptly, pronto, rapidly, right now, shortly, soon, soon afterward, straight away, straight off, summarily, thereupon, this instant, this minute, tout de suite, unhesitatingly, urgently, without delay, without hesitation |
| Antonyms: | eventually, later, never |
| Main Entry: | instantly |
| Part of Speech: | adverb |
| Definition: | right now |
| Synonyms: | PDQ, at once, away, directly, double-time, first off, forthwith, immediately, in a flash, instantaneously, instanter, now, on a dime, pronto, right, right away, spontaneously, straight away, there and then, this minute, tout de suite, without delay |
| Notes: | simultaneously means happening or existing at the same time; instantaneously means done without any delay; instantly means done at once |
| Antonyms: | eventually, later |
| Main Entry: | presently |
| Part of Speech: | adverb |
| Definition: | in a short while |
| Synonyms: | anon, before long, before you know it, by and by, directly, down the line, down the pike, down the road, immediately, in a minute, in a moment, in a short time, now, nowadays, pretty soon, shortly, soon, today, without delay |
| Notes: | momentarily means 'in a moment'; presently means 'soon' or 'shortly' presently means 'soon, shortly, before long' while at present means 'at the time of speaking' |
| Antonyms: | eventually, later, never |
| Main Entry: | readily |
| Part of Speech: | adverb |
| Definition: | quickly; effortlessly |
| Synonyms: | at once, at the drop of a hat, cheerfully, eagerly, easily, facilely, freely, gladly, hands down, immediately, in a jiffy, in no time, lightly, no sweat, nothing to it, piece of cake, promptly, quick as a wink, right away, slick as whistle, smoothly, speedily, straight away, swimmingly, unhesitatingly, well, willingly, without delay, without demur, without difficulty, without hesitation |
| Antonyms: | unwillingly |
| Main Entry: | short |
| Part of Speech: | adverb |
| Definition: | abruptly |
| Synonyms: | aback, by surprise, forthwith, sudden, suddenly, unanticipatedly, unaware, unawares, unexpectedly, without delay, without hesitation, without warning |
| Antonyms: | long |
| Main Entry: | right away |
| Part of Speech: | adverb |
| Definition: | at once |
| Synonyms: | immediately, right off the bat, straightaway, without delay |
| Main Entry: | tout de suite |
| Part of Speech: | adjective, adverb |
| Definition: | immediately |
| Synonyms: | at once, in a wink, in an instant, now, pronto, right away, without delay |
| Main Entry: | thereupon |
| Part of Speech: | adverb |
| Definition: | immediately |
| Synonyms: | at once, following that, forthwith, suddenly, without delay |