noun
adj
verb
adv

Textual thesaurus for "at once"

(adv) now, directly, immediately, instantly, forthwith, like a shot, straight off, straightaway, right away

without delay or hesitation; with no time intervening

he answered immediately; found an answer straightaway; an official accused of dishonesty should be suspended forthwith; Come here now!


(adv) at a time, at one time

simultaneously

he took three cookies at a time