adv. 1 at once, instantly, instantaneously, promptly, right away, right now, without delay, unhesitatingly, without hesitation, forthwith, this instant, directly, in a wink, in a second, in a minute, tout de suite, instanter, Chiefly Brit straightaway or straight away, Colloq pronto, in a jiffy, in two shakes of a lamb's tail, before you can say 'Jack Robinson', at the drop of a hat Come here immediately I shall be there immediately. 2 directly, closely, intimately These reactions are immediately concerned with the temperature
conj. 3 when, as soon as, the moment (that), Brit directly Immediately he heard the news, he hurried to her side