Definition of back out in English:

back out

  • Withdraw from a commitment: if he backs out of the deal they’ll sue him
    More example sentences
    • The excitement would die down soon enough, and the school would retreat back out of the public eye.
    • The doctor backed out of his contractual responsibility to provide out of hours care for his patients.
    • No one wants to absorb the cost if someone in a group backs out.
    Synonyms
    renege on, go back on, withdraw from, pull out of, retreat from, fail to honour, abandon, default on, repudiate; back-pedal
    informal get cold feet about, chicken out of
See parent entry: back

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Pronunciation: ˈmeɪlstrəm
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a powerful whirlpool in the sea