stand by Meaning in the Cambridge English Dictionary
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Meaning of “stand by” in the English Dictionary

"stand by" in British English

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stand by

phrasal verb with stand uk   us   /stænd/ verb (stood, stood)

stand by (BE READY)

to be ​waiting and ​ready to do something or to ​help: Cabin ​crew, ​pleasestand by fortake-off.
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stand by (DO NOTHING)

to ​allow something ​unpleasant to ​happen without doing anything to ​stop it: We can't ​stand by while millions of ​peoplestarve.
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(Definition of stand by from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"stand by" in American English

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stand by

phrasal verb with stand  us   /stænd/ verb (past tense and past participle stood  /stʊd/ )

stand by (LET HAPPEN)

to ​let something ​happen or to be ​unable to ​prevent something: How could anyone ​simply stand by while the man was ​robbed? We stood by ​helplessly while the ​firedestroyedourbarn.

stand by

phrasal verb with stand  us   /stænd/ verb (past tense and past participle stood  /stʊd/ )

stand by (BE PREPARED)

to be ​prepared for something: The ​generalordered his ​troops to stand by for a ​possibleattack.
(Definition of stand by from the Cambridge Academic Content Dictionary © Cambridge University Press)

"stand by " in Business English

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stand by

phrasal verb with stand uk   us   /stænd/ verb (stood, stood)
[I] to be ​ready to do something: The Central Bank was ​standing by, ​ready to ​intervene to prevent a further ​slide against the ​dollar.
[T] to show that you still believe or ​support something: We ​stand by our view that ​rates may need to ​rise to 5% next ​year. The Government ​lost a lot of ​voters because it ​failed to ​stand by its ​election promises.
(Definition of stand by from the Cambridge Business English Dictionary © Cambridge University Press)
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