guarantee

verb

Synonyms and Antonyms of GUARANTEE

to assume responsibility for the satisfactory quality or performance of <the shop will guarantee all work done on the car for 30 days>

Synonyms guarantee, guaranty

Related Words attest, authenticate, avouch, certify, testify (to), vouch (for), witness; assure, bond, contract, covenant; pledge, plight, stipulate, swear, undertake, vow; adhere, assert, aver, avow, declare, insist; insure

to make sure, certain, or safe <I can guarantee that you'll feel better after using my product for 30 days>

Synonyms assure, cinch, guarantee, guaranty, ice, insure, secure

Related Words attest, certify, vouch, warrant, witness; pledge, promise, swear

Near Antonyms enfeeble, undermine, weaken

to state clearly and strongly <I guarantee that this movie is better than the last one in the series>

Synonyms affirm, aver, avouch, avow, declare, guarantee, lay down, profess

Near Antonyms minimize, understate; disregard, ignore, neglect, overlook

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