stand by

US /stænd baɪ/
UK /stænd baɪ/
"stand by" picture
1.

to be present while something bad is happening but not do anything to stop it

:
•
He just stood by and watched the bullying happen.
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How could you stand by and let them treat her like that?
:
look onwatchobservedo nothingremain inactive
2.

to support someone or something, especially in a difficult situation

:
•
I will always stand by my friends.
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The company decided to stand by its decision despite public criticism.
:
supportupholdabide byadhere tostick by
3.

to be ready to act or to be used if needed

:
•
Emergency services are on stand by.
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The backup generator is always on stand by in case of a power outage.
:
be readybe preparedbe on callbe on alertbe available
:
standstandingstand forstand-instand uptaxi standlong-standing