Pronunciation: /æt wʌns/
adverb immediately or without delay
A1 I can't do two things at once.
A2 She answered the phone and opened the door at once.
B1 The chef had to cook multiple dishes at once during the busy dinner service.
B2 The project manager was able to handle multiple tasks at once without feeling overwhelmed.
C1 The diplomat was skilled at negotiating with multiple parties at once.
C2 The conductor flawlessly directed the orchestra, choir, and soloist at once during the complex musical performance.
preposition used to indicate simultaneous action or occurrence
A1 I can't eat all this food at once.
A2 Please submit your homework at once.
B1 The emergency services arrived at once after the call.
B2 The company implemented the new policy at once.
C1 The orchestra played the symphony beautifully, all musicians starting and stopping at once.
C2 The team of researchers published their findings at once in multiple prestigious journals.
formal The manager requested all employees to submit their reports at once.
informal Can you please hand me the remote at once?
slang Let's bounce from this party at once.
figurative The sudden news hit them like a ton of bricks, causing them to react at once.
at onced
at onces
more at once
most at once
at once
will at once
have at once
is at once
at once
at once
to at once
at oncing
at onced