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guarantee - definition and synonyms


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noun [countable] guarantee pronunciation in British English /ˌɡærənˈtiː/
Word Forms
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  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
    a promise that something will definitely happen
    give (someone) a guarantee:

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

    guarantee (that):

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

    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.

  3. 3
    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 repair it for free.

    something carries a guarantee:

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

  4. 4
    an agreement to pay back money that someone else owes if they cannot pay it back themselves
    guarantee for:

    The bank requires a guarantee for its loans.

    1. a.
      an amount of money or a valuable object that you leave with someone until you have paid the money that you owe or have done something that you promised to do


to fall over forwards so that your face hits the ground or another surface

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the activity of exploring abandoned buildings and other manmade structures

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