Dictionary

1once

adverb \ˈwən(t)s\

: one time only

: at any one time

: at some time in the past

Full Definition of ONCE

1
:  one time and no more <rode a horse only once>
2
:  at any one time :  under any circumstances :  ever <didn't once thank me>
3
:  at some indefinite time in the past :  formerly <was once a booming mining town>
4
:  by one degree of relationship <first cousin once removed>
once and for all
1
:  with finality :  definitively
2
:  for the last time
once in a while

Examples of ONCE

  1. I will repeat the question once.
  2. The play was performed only once.
  3. She didn't once thank me.
  4. He didn't look at me once.
  5. It was once done that way.
  6. A river once flowed through this canyon.
  7. It was once a booming mining town.
  8. Their music was once very popular.

Origin of ONCE

Middle English ones, from genitive of on one
First Known Use: 12th century

2once

noun

: one single time

Full Definition of ONCE

:  one single time :  one time at least <please be on time this once>
at once
1
:  at the same time :  simultaneously
3
:  2both <at once funny and sad>

Examples of ONCE

  1. I have tried Indian food more than once.
  2. Please be on time just this once.
  3. For once you seem to know what I'm talking about.

First Known Use of ONCE

13th century

3once

adjective

Definition of ONCE

:  that once was :  former <a once successful actor>

Examples of ONCE

  1. <the once child star is now a lawyer in the entertainment industry>

First Known Use of ONCE

1691

4once

conjunction

: at the moment when : as soon as

Full Definition of ONCE

:  at the moment when :  as soon as <once she spoke, I recognized her>

Examples of ONCE

  1. Once she spoke, I recognized her.
  2. <you should have stopped wrestling once you knew someone was getting hurt, not five minutes later>

First Known Use of ONCE

1761

Related to ONCE

Synonyms
as soon as, immediately [chiefly British], instantly, when
AT ONCE Defined for Kids

1once

adverb \ˈwəns\

Definition of ONCE for Kids

1
:  one time only <It happened just once.>
2
:  at some time in the past :  formerly <It was once done that way.>
3
:  at any one time :  ever <She didn't once thank me.>
once and for all
:  now and for the last time <That should solve the problem once and for all.>
once in a while
:  from time to time <I play golf once in a while.>

2once

noun

Definition of ONCE for Kids

:  one single time <We can make an exception just this once.>
at once
1
:  at the same time <I can't understand with both of you talking at once.>
2
:  immediately 2 <Leave at once.>

3once

conjunction

Definition of ONCE for Kids

:  as soon as :  when <Once you've finished your homework, you may go outside.>

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