n. 25B6; noun I'll only be gone for a second : MOMENT, bit, little while, short time, instant, split second; informal sec, jiffy; Brit. informal mo, tick, two ticks.
25A0; in a second VERY SOON, in a minute, in a moment, in a trice, shortly, any minute (now), in the twinkling of an eye, in (less than) no time, in no time at all; N. Amer. momentarily; informal in a jiffy, in two shakes (of a lamb's tail), before you can say Jack Robinson, in the blink of an eye; Brit. informal in a tick, in two ticks, in a mo; N. Amer. informal in a snap; poetic/literary ere long.