Definition of kibosh in US English:

kibosh

noun

in phrase put the kibosh on
informal
  • Put an end to; dispose of decisively.

    ‘he put the kibosh on the deal’
    • ‘Fortunately, Congress came to their senses and put the kybosh on the whole sordid affair.’
    • ‘This puts the kybosh on any claims that quality has radically improved in the past couple of years.’
    • ‘The city council nearly put the kybosh on the appearance by objecting to the original plan - a midnight appearance - because of safety concerns.’
    • ‘Tim has a history of failed romances, generally because his meddling mom puts the kybosh on things.’
    • ‘Unfortunately, the snow's put the kybosh on most of the festival fun planned for Saturday.’
    • ‘But the shortage of ammunition, which allowed the game birds to grow in number, put the kibosh on shooting almost entirely, and the birds multiplied in comparative peace.’
    • ‘It was only after King George III put the kibosh on the pipeline project that things changed.’
    • ‘You can also take the capsules, but the liquid puts the kybosh on the appetite, pronto.’
    • ‘Assuming he puts the kibosh on that request, I need some backup plans for infiltrating the ice cream store.’
    • ‘Were you ever with a guy in a relationship with somebody so obsessed with something that you had to kind of put the kibosh on either the guy or that thing?’
    put a stop to, check, curb, stop, halt, bring to an end, put an end to, nip in the bud, quash, block, cancel, scotch, thwart, frustrate, prevent, quell, suppress
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Origin

Mid 19th century: of unknown origin.

Pronunciation

kibosh

/ˈkaɪˌbɑʃ//ˈkīˌbäSH/