Synonyms of guarantee in English:

guarantee


See definition of guarantee

noun

1‘all repairs have a one-year guarantee’

SYNONYMS
warranty, warrant, contract, covenant, bond, assurance, promise

2‘they gave their guarantee that the hospital would stay open’

SYNONYMS
promise, assurance, word, word of honour, pledge, vow, oath, bond, commitment

3‘banks usually demand a personal guarantee for loans’

SYNONYMS
collateral, security, surety, guaranty, assurance, insurance, indemnity, indemnification
archaic gage, earnest

4‘I will not venture to be your guarantee’

SYNONYMS
guarantor, warrantor, underwriter, voucher, sponsor, supporter, backer
bondsman

verb

1‘they have to guarantee the loan with their own personal assets’

SYNONYMS
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
informal be ready to pick up the tab for
North American informal bankroll

2‘can you guarantee that he wasn't involved?’

SYNONYMS
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
archaic plight