guarantee
noun
[ ɡar(ə)nˈtiː ]
• a formal 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.
• "we offer a 10-year guarantee against rusting"
• an undertaking to answer for the payment or performance of another person's debt or obligation in the event of a default by the person primarily responsible for it.
guarantee
verb
• provide a formal assurance, especially that certain conditions will be fulfilled relating to a product, service, or transaction.
• "the company guarantees to refund your money"
• promise with certainty.
• "no one can guarantee a profit on stocks and shares"
Similar:
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,
plight,
Origin:
late 17th century (in the sense ‘guarantor’): perhaps from Spanish garante, corresponding to French garant (see warrant), later influenced by French garantie ‘guaranty’.
