Definition of guarantee in US English:


nounPlural guarantees

  • 1A formal promise or assurance (typically in writing) that certain conditions will be fulfilled, especially that a product will be repaired or replaced if not of a specified quality and durability.

    ‘we offer a 10-year guarantee against rusting’
    • ‘They are demanding a guarantee of their conditions if their fuel company changed hands.’
    • ‘I might actually be willing to pay the normal retail price to buy or rent DVDs, if in exchange I get a guarantee of quality and a decent selection.’
    • ‘Each piece is accompanied by a quality assurance card and has the guarantee of the International Gemmological Institute.’
    • ‘All products carry a five-year guarantee against possible faulty materials and workmanship.’
    • ‘Never make guarantees about the outcome of a treatment.’
    • ‘A commercial guarantee must be clearly drafted and indicate what rights it gives on top of consumers’ legal guarantees.’
    • ‘Therefore, on 31 March 1939, Chamberlain issued a formal guarantee of Poland's borders and said that he expected Hitler to moderate his demands.’
    • ‘The formal guarantee of women's rights was absent from the initial draft but the refusal of Afghan women to be silenced ensured its inclusion in the final version.’
    • ‘The British Farm Standard is a guarantee of quality.’
    • ‘He said: ‘It's just about recipe and product quality: a guarantee for the customer.’’
    • ‘Of course that means listening to scientific advice, which cannot give any guarantees about outcomes.’
    • ‘Trade unions are demanding a guarantee of the right to retire at 50 without conditions.’
    • ‘The Government is guaranteeing that people who purchase water will now have a guarantee of repairs and spare parts.’
    • ‘But why should our team even have to wait with no guarantees as to the outcome anyway?’
    • ‘For assimilation was a condition of future rights, not a guarantee of them.’
    • ‘The 30 day money back guarantee does not apply to Domain Name Registration or other services.’
    • ‘Also, the food and facilities are not included in this guarantee - your portion of whatever these cost us will not be refunded.’
    • ‘The report also said that a guarantee of a quality training programme for non-consultant hospital doctors could help to keep medical graduates from going abroad to further their education.’
    warranty, warrant, contract, covenant, bond, assurance, promise
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    1. 1.1 Something that gives a certainty of outcome.
      ‘past performance is no guarantee of future results’
      • ‘Standard school certification is a much better guarantee of quality.’
      • ‘The time when the production of best quality was a guarantee of earning best money is over.’
      • ‘Sadly, shelling out £20 is not always a guarantee of quality, so do try to taste before you buy, or find a wine merchant or critic whom you trust.’
      • ‘CEOs today want a guarantee of improved productivity, reduced costs, or enhanced efficiency before investing millions in a new IT system.’
      • ‘This is usually a guarantee of high quality in the review process, and it also provides a great source of writers.’
      • ‘Publishing works in The Architectural Review has always been a guarantee of quality.’
      • ‘Consequently, appearing in the Cannes showcase is no guarantee of quality.’
      • ‘There is, of course, no guarantee of a successful outcome in this endeavor until your application is thoroughly reviewed at numerous FAA levels.’
      • ‘Spain's government-owned paradors provide a guarantee of quality at reasonable prices.’
      • ‘Just keep in mind that you will be undertaking a science experiment with no guarantee of the outcome!’
      • ‘He recalled that multiparity and previous easy deliveries are no guarantee of a similar outcome.’
      • ‘They are both former winners of the Crime Writers Association Gold Dagger award, which is usually a guarantee of high professional quality, if nothing else.’
      • ‘The big literary awards, I came to believe, had much to do with politics, snobbery, and taste, and were no guarantee of quality.’
      • ‘The ‘Union Made’ label is a pretty good guarantee of fair working conditions, but you won't find it on many apparel products sold at the local mall.’
      • ‘A diploma, even from a reputable overseas university, is not automatically a guarantee of quality, of achievement, of work ethics of the highest standards.’
      • ‘The open source model is not, per se, a guarantee of stability, because it does not ensure continuing stable support for the software.’
      • ‘Yes, accreditation is not a guarantee of high quality.’
      • ‘She adds that while a staged reading in On the Verge is an endorsement of a script's potential, it does not offer the guarantee of a full production in the future.’
      • ‘While being organic is no automatic guarantee of quality, the best of this tasting are well worth a try.’
      • ‘The variety and simplicity of the recipes and the quality of ingredients were always a guarantee of delicious meals.’
      promise, assurance, word, word of honour, pledge, vow, oath, bond, commitment
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  • 2Law
    A formal pledge to pay another person's debt or to perform another person's obligation in the case of default.

    contract, agreement, covenant, compact, bond, pledge, promise, warrant, undertaking, commitment, settlement, arrangement, understanding
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    1. 2.1 A thing serving as security for a formal pledge to pay another person's debt.
    2. 2.2
      less common term for guarantor
      guarantor, warrantor, underwriter, voucher, sponsor, supporter, backer
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verbguarantees, guaranteed, guaranteeing

[no object]
  • 1Provide a formal assurance or promise, especially that certain conditions shall be fulfilled relating to a product, service, or transaction.

    with clause or infinitive ‘the con artist guarantees that the dirt pile will yield at least 20 ounces of gold’
    • ‘Irrespective of market performance, the product guarantees 100 per cent of your money back at the end of five years.’
    • ‘The only thing that it guarantees with its product is that your car will meet these New Jersey standards.’
    • ‘Some manufacturers have been willing to guarantee that their products are latex free, and others seem less than eager to supply information about their products.’
    1. 1.1with object Provide a formal assurance regarding (something, especially a product)
      ‘the repairs will be guaranteed for three years’
      • ‘Make sure you are fully aware of what part of the product is being guaranteed too.’
      • ‘My new entertainment system is guaranteed for five years.’
    2. 1.2with object Provide financial security for; underwrite.
      ‘a demand that $100,000 be deposited to guarantee their costs’
      • ‘For most agents to approve a rookie contract, option bonuses must be fully guaranteed.’
      underwrite, sponsor, support, back, insure, indemnify, vouch for, put up collateral for, give earnest money for, provide surety for, provide security for, provide financial security for
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    3. 1.3with object Promise with certainty.
      ‘no one can guarantee a profit on stocks’
      • ‘The concept would certainly promote stability and guarantee a return to profits in the short term but also on the longer run.’
      • ‘If a good service is provided then satisfaction is guaranteed.’
      • ‘But I can promise you and guarantee you, after that situation, you will never hear me do that.’
      • ‘But if you want to ensure Cupid's bow really hits the mark, innovative tour operators and hoteliers have come up with some creative ideas they promise will guarantee you true romance home or away.’
      • ‘There are few pre-purchase checks that can guarantee you've bought a good one although the 1.8 litre does have a reputation for failing head gaskets so these are worth checking.’
      • ‘It used to be the case that once somebody had proven they were fleeing persecution, they were guaranteed five safe years in this country.’
      • ‘The range of activities available at the club's £3.7 million base is sure to guarantee its continuing popularity.’
      • ‘But of course bonuses are never guaranteed and should not be counted on.’
      • ‘The downside is that they are not guaranteed to confirm one's opinions about the President in advance.’
      • ‘Fourth, the president must take immediate, urgent, essential steps to guarantee the promised elections can be held next year.’
      • ‘This is well worth a visit, and you can do so throughout the winter with one added bonus - you are guaranteed a brief escape from the weather outside.’
      • ‘In fact, if it ever snows, one hotel guarantees it will provide free accommodation.’
      • ‘This show is guaranteed to provide a night of pure enjoyment and entertainment.’
      • ‘You can be guaranteed substantial network coverage by simply wearing odd headgear.’
      • ‘During your stay you are almost sure to be guaranteed a friendly and hospitable stay by your host family.’
      • ‘Such a high court opening would virtually guarantee a blistering confirmation battle in the Senate this fall.’
      • ‘These five tracks will be guaranteed between two and four plays across the week.’
      • ‘So, I hope she would stand up, what, in my judgment, is best for America, and that is to make sure we do not have legal impediments in the way of universities assuring and guaranteeing diversity on campus.’
      • ‘A spectacular night's entertainment is guaranteed, so make sure you don't miss it.’
      • ‘But before that, make sure you can guarantee your safety.’
      promise, swear, swear to the fact, pledge, vow, undertake, give one's word, give an assurance, give assurances, give an undertaking, give a pledge, swear an oath, take an oath, cross one's heart, cross one's heart and hope to die
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Late 17th century (in the sense ‘guarantor’): perhaps from Spanish garante, corresponding to French garant (see warrant), later influenced by French garantie ‘guaranty’.