Give an undertaking, assurance, assurance, give a pledge, and give an assurance are all synonyms for guarantee. Vague and doubt are antonyms of guarantee. And here are 31 another word for guarantee.
Assurance, bond, contract, covenant, warrant, warranty, and promise are all synonyms for guarantee.
Assurance, bond, oath, pledge, promise, vow, word of honour, word, and commitment are all another word for guarantee.
Give a pledge, give an assurance, give an undertaking, give assurances, give one's word, pledge, promise, swear an oath, swear to the fact, swear, take an oath, undertake, vow, and plight are all synonyms for guarantee.
Guarantee synonym page has a variety of synonyms that differ in length. 2 synonyms with 3, 6, 11, 12, and 14 letters and 4 synonyms with 4 letters. 1 synonym with 5, 10, 15, and 17 letters and 3 synonyms with 7, 8, and 9 letters. For a total of 27 another word for guarantee.
We offer a money-back guarantee.
I can guarantee your satisfaction.
The warranty will guarantee repairs needed.
They guarantee delivery by tomorrow evening.