Synonyms of instant in English:


See definition of instant


1‘instant access to your money’


immediate, instantaneous, on-the-spot, prompt, direct, swift, speedy, rapid, quick, expeditious, express, lightning, sudden, precipitate, abrupt

informal snappy, p.d.q., p.d.q. pretty damn quick

literary fleet, rathe

rare alacritous


delayed, long-term

2‘the additives in instant meals’


pre-prepared, ready prepared, ready mixed, pre-cooked, fast, easy to prepare, quick to prepare, easy to make, quick to make, microwaveable, convenience, TV


1‘there'll never be an instant quite like this again’


moment, time, point in time, moment in time, minute, second, hour

stage, phase, juncture, point

2‘it all happened in an instant’


short time, little while, bit, moment, minute, second, split second, trice, twinkling, twinkling of an eye, flash, no time, less than no time, no time at all

informal sec, nanosecond, jiffy, jiff, two shakes of a lamb's tail, the blink of an eye

British informal mo, two ticks

North American informal snap




    on the instant


      immediately, instantly, at once, straight away, right away, instantaneously, suddenly, abruptly, all of a sudden, at a stroke, forthwith, then and there, there and then, here and now, that minute, this minute, that very minute, this very minute, that instant, this instant

      quickly, rapidly, swiftly, speedily, directly, without delay, promptly

      in an instant, in a moment, in a second, in a split second, in a minute, in a trice, in a fraction of a second, in a flash, 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, in two shakes of a lamb's tail, in no time, in less than no time, before you know it, on the double, at the speed of light, like an arrow from a bow

      tout de suite


      in a jiffy, pronto, before you can say Jack Robinson, double quick, in double quick time, p.d.q., p.d.q. pretty damn quick, like lightning, like greased lightning, toot sweet

      Indian informal



      straightway, instanter, forthright


      eventually, slowly