guarantee Definition in the Cambridge English Dictionary
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Definition of “guarantee” - English Dictionary

Definition of "guarantee" - American English Dictionary

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guaranteenoun [C/U]

 us   /ˌɡær·ənˈti, ˈɡær·ənˌti/
a ​promise that something will be done or will ​happen, esp. a written ​promise by a ​company to ​repair or ​change a ​product that ​develops a ​fault within a ​particularperiod of ​time: [C] The ​vacuumcleaner comes with a two-year guarantee. Guarantee is also the ​state of being ​certain of a ​particularresult: [U] No ​matter how many ​stars you have in the show, there’s no guarantee (= it is not ​certain that) it will be a ​success.

guaranteeverb [T]

 us   /ˌɡær·ənˈti, ˈɡær·ənˌti/
If you guarantee something, you ​promise that a ​particular thing will ​happen or ​exist: [+ (that) clause] I guarantee (you) that ​ourteam will ​play hard and have a ​shot at ​winning the ​championship. If something is guaranteed to ​happen or have a ​particularresult, it is ​certain that it will ​happen or have that ​result: [+ to infinitive] Eating all that ​richfood is guaranteed to give you ​indigestion.
(Definition of guarantee from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "guarantee" - British English Dictionary

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guaranteenoun

uk   us   /ˌɡær.ənˈtiː/
B2 [C or U] a ​promise that something will be done or will ​happen, ​especially a written ​promise by a ​company to ​repair or ​change a ​product that ​develops a ​fault within a ​particularperiod of ​time: The ​systemcosts £99.95 ​includingshipping and ​handling and a twelve-month guarantee. The TV comes with/has a two-year guarantee. a ​money-back guarantee [+ that] The United Nations has ​demanded a guarantee from the ​army thatfoodconvoys will not be ​attacked. [+ (that)] There is no guarantee (that) the ​discussions will ​lead to a ​deal. A ​product as good as that is a guarantee ofcommercialsuccess (= it is ​certain to be ​successful). The ​shop said they would ​replace the ​television since it was still under guarantee. [C] a ​formalagreement to take ​responsibility for something, such as the ​payment of someone else's ​debt [C] something ​valuable that you give to someone ​temporarily while you do what you ​promised to do for them, and that they will ​keep if you ​fail to do it
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guaranteeverb [T]

uk   us   /ˌɡær.ənˈtiː/

guarantee verb [T] (PROMISE)

If a ​product is guaranteed, the ​company that made it ​promises to ​repair or ​change it if a ​faultdevelops within a ​particularperiod of ​time: The ​fridge is guaranteed for three ​years.B2 to ​promise that something will ​happen or ​exist: [+ two objects] European Airlines guarantees ​itscustomers top-quality ​service. The ​label on this ​bread says it is guaranteed free of/frompreservatives (= it ​contains no ​preservatives). If you guarantee someone's ​debt, you ​formallypromise to ​accept the ​responsibility for that ​debt if the ​personfails to ​pay it.
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guarantee verb [T] (MAKE CERTAIN)

If something guarantees something ​else, it makes ​certain that it will ​happen: [+ (that)] The £50 ​deposit guarantees (that)peoplereturn the ​boats after ​theirhour has ​finished. If something is guaranteed to ​happen or have a ​particularresult, it is ​certain that it will ​happen or have that ​result: [+ to infinitive] Just ​looking at a ​picture of the ​sea is guaranteed to make me ​feelsick.
(Definition of guarantee from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

Definition of "guarantee" - Business English Dictionary

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guaranteeverb [T]

uk   us   /ˌɡærənˈtiː/
to promise that something will ​happen or is ​true: guarantee sb sth European Airlines guarantees its ​customers top-quality ​service.guarantee that sth is sth We guarantee that our ​products are 100% ​safe.be guaranteed (to be) sth Their bread is guaranteed ​free of preservatives.
to make something sure to ​happen or to be ​true: Good ​design does not always guarantee ​success.guarantee that How can we guarantee that no one can ​access our ​intranet?
COMMERCE if a ​company guarantees a ​product or ​service, it gives a written promise to ​return the customer's ​money or ​repair or ​exchange the ​product if there is a problem with it within a particular ​period: guarantee sth for sth We guarantee all our ​work for six months.
BANKING to ​offer something ​valuable to someone with the ​agreement that they can ​keep it if you ​fail to ​pay a ​loan or do what you promise: If you guarantee the ​loan, you will ​lose the ​business if you ​default on ​payments.

guaranteenoun

uk   us   /ˌɡærənˈtiː/
[C or U] COMMERCE a written promise by a ​company to ​return a customer's ​money or ​repair or ​change the ​product if there is a problem within a particular ​period after ​buying it: The ​systemcosts £99.95 ​includingpostage, ​packing and a 12-month guarantee. I'm afraid we can't ​replace the ​television as it's no ​longer under guarantee.come with/have/carry a guarantee The ​laptop has a two-year guarantee.a guarantee on sth There is a six-month guarantee on all our ​vehiclerepairs. The ​storeoffers money-back guarantees on all ​electronics.
[C] something that makes another thing sure to ​happen or to be ​true: no guarantee of sth/not a guarantee of sth Laboratory ​testing of a new ​drug is not a guarantee of ​safety.a guarantee that There is no guarantee that the discussions will ​lead to a ​deal.
[C] a promise from someone that something will be done or will ​happen: a guarantee that The ​CEO gaveemployees a guarantee that he would ​keep the ​factoryopen at all ​costs.
[C] BANKING something ​valuable that you ​offer to someone with the ​agreement that they can ​keep it if you ​fail to ​pay a ​loan or do what you promise: a guarantee against sth The ​mortgageborrowerprovides the ​house as a guarantee against the ​loan.
(Definition of guarantee from the Cambridge Business English Dictionary © Cambridge University Press)
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