step by step Antonyms

in a sec lightning fast out of the blue in two shakes In the blink of an eye in one stroke in a snap in a jiffy full tilt cold turkey before you can say knife in two shakes of a lamb's tail in the twinkling of an eye before you can say Jack Robinson out of thin air on the spur of the moment in a wink at one sitting in a second in a tick in no time at all before one can say Jack Robinson entirely without warning in a blink as fast as greased lightning in less than no time very quickly in a trice at the speed of light before you know it at the drop of a hat in one fell swoop sudden sharp saltatory quickly promptly meteoric instantly immediately dynamic discontinuous changeable acute abruptly swiftly volatile instantaneously at one stroke at full tilt