once
/wʌns वन्स्/ adv., conj. IDM
all at once all at the same time or suddenly सब के सब उसी समय या अचानक
People began talking all at once.
All at once she got up and left the room.
just this once; (just) for once on this occasion only केवल इसी अवसर पर
Just this once, I’ll help you with your homework.
once again; once more one more time; another time एक बार फिर; फिर कभी
Once again the train was late.
Let’s listen to that track once more.