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guarantee

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noun [countable] guarantee pronunciation in American English /ˌɡerənˈti/ 
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singularguarantee
pluralguarantees

Related dictionary definitions

  1. 1
    something that makes it certain that something will happen
    guarantee of:

    Massive investment is no guarantee of success.

    guarantee against:

    Being with you is my guarantee against them harming me.

    guarantee (that):

    Going to court is the best guarantee that you will both be treated fairly.

    There's no guarantee you will get in without a ticket.

  2. 2
    an agreement that if something that you buy does not work, it will be repaired or replaced, or you can have your money back

    Many companies offer a 30-day money-back guarantee.

    under guarantee (=protected by a company's guarantee):

    My watch is still under guarantee, so they'll fix it for free.

    something carries a guarantee:

    Window frames carry a thirty year guarantee against rot or decay.

  3. 4
    a promise that something will definitely happen
    guarantee (that):

    The company has given a guarantee that there will be no layoffs.

    guarantee against:

    The tribes wanted secure guarantees against future invasions.

    guarantee of:

    The university insisted on a written guarantee of good conduct from his uncle.

    cast-iron guarantee (=one that is completely reliable):

    We need a cast-iron guarantee that the trade in endangered animals will stop.

    give (someone) a guarantee:

    I can't give you any guarantees at the moment.

creep

used with other nouns to describe the unexpected and often unwanted effects of a particular situation or trend

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