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instantly

Synonyms of instantly in English:

adverb

  • she fell asleep almost instantly
    quickly, rapidly, swiftly, speedily, directly, without delay, promptly;
    in an instant, in a moment, in a (split) second, in a minute, in a trice, in a fraction of a second, in/like a flash, quick as lightning, like a shot, in a wink, in the blink of an eye, in the twinkling of an eye, in two shakes (of a lamb's tail), in (less than) no time, before you know it, on the double, at the speed of light, like an arrow from a bow;
    informalin a jiffy, pronto, before you can say Jack Robinson, double quick, in double quick time, p.d.q. (pretty damn quick), like (greased) lightning, toot sweet
    Indian informalekdam
    archaicstraightway, instanter, forthright
    [Antonyms] eventually, slowly
  • Definition of instantly in:

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