guaranteed
adjective
[ ˌɡarənˈtiːd ]
• for which a guarantee is provided; formally assured.
• "the guaranteed bonus is not very high"
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’.