Synonyms:
- at once,
- directly,
- forthwith,
- immediately,
- in a flash,
- in a jiff,
- in a jiffy,
- in a twink,
- in a twinkling,
- in no time,
- in nothing flat,
- in short order,
- instanter,
- instantly,
- just now,
- just then,
- momentaneously,
- momentarily,
- momently,
- on the dot,
- on the instant,
- on the nail,
- on the spot,
- promptly,
- pronto,
- right now,
- tout de suite,
- without delay