Meaning : Without delay or hesitation. With no time intervening.
Example :
He answered immediately.
Found an answer straightaway.
An official accused of dishonesty should be suspended forthwith.
Come here now!.
Synonyms : directly, forthwith, immediately, instantly, like a shot, now, right away, straight off, straightaway
Meaning : Simultaneously.
Example :
He took three cookies at a time.
Synonyms : at a time, at one time
Translation in other languages :
एक समय या बार में।
पेट्रोल का दाम एकबारगी तीन रुपए से अधिक बढ़ गया।At once ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. At once ka matlab kya hota hai?