Britannica Dictionary definition of ONCE
1
:
one time only
-
I will repeat the question once.
-
We try to get together (at least) once every month.
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The play was performed only once.
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He had ridden a horse only once (before).
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We go to the movies once or twice a month. [=we go to the movies a few times a month]
-
I've only seen her once or twice. [=I have only seen her a few times]
3
:
at some time in the past
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It was once done that way.
-
A river once flowed through this canyon.
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It was once a booming mining town.
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Their music was once very popular.
—
sometimes used in combination
once again/more
:
for another time
:
one more time
:
again
-
Let me explain the problem once again.
-
Once again, you've ignored my instructions.
-
Could I hear the question once more?
once and for all
:
now and for the last time
-
Let's settle this problem once and for all.
-
Winning its fourth straight championship game, the team proved once and for all that they are the best.
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I'm asking you once and for all.
-
Please, once and for all, stop worrying.
once bitten, twice shy
—
see 1bite
once in a while
:
sometimes but not often
:
occasionally
-
We spend most of our time at home and go out once in a while.
-
Every once in a while, we have wine with dinner.
once upon a time
:
at some time in the past
◊ Once upon a time is the traditional way to begin a fairy tale.
2
once
/ˈwʌns/
noun
Britannica Dictionary definition of ONCE
[noncount]
:
one single time
-
I have tried Indian food more than once.
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Please be on time just this once.
-
For once you seem to know what I'm talking about.
at once
1
:
at the same time
-
two people talking at once
-
The book is at once [=both] funny and sad.
-
She had several projects going on all at once.
3
once
/ˈwʌns/
conjunction
3
once
/ˈwʌns/
conjunction
Britannica Dictionary definition of ONCE
:
at the moment when
:
as soon as
-
Things got better once he found a job. = Once he found a job, things got better.
-
Once she spoke, I recognized her.