Synonyms to overnight

instant, a breath, about to be, actual, acute, alert, already in sight, approaching, apt, as is, at hand, being, bit, breath, breathing, brewing, burning, clamant, clamorous, close, close at hand, coming, compelling, contemporaneous, contemporary, coup, crack, critical, crucial, crying, current, cursory, day, decisive, demanding, dire, direct, draining, earnest, exacting, exigent, existent, existing, exorbitant, expeditious, extant, extortionate, fateful moment, festinate, feverish, flash, flying, forthcoming, fresh, furious, future, gathering, going to happen, grasping, hair-trigger, half a jiffy, half a mo, half a second, half a shake, hasty, high-pressure, high-priority, hour, hurried, immanent, immediate, imminent, impendent, impending, imperative, imperious, importunate, in danger imminent, in prospect, in reserve, in store, in the cards, in the offing, in the wind, in view, insistent, instantaneous, interval, jiff, jiffy, juncture, kairos, last-minute, latest, lightning-like, little, little bit, little while, looming, loud, lowering, lurking, menacing, microsecond, millisecond, minute, modern, moment, moment