guarantee

+1	1. v If a product is guaranteed, the company that made it promises to repair or change it if a fault develops within a particular period of time. The fridge is guaranteed for three years. If someone guarantees something, they promise that that thing will happen or exist. European Airlines guarantees its customers top-quality service/ European Airlines guarantees top-quality service for its customers. (+ two objects) The label on this bread says it is guaranteed free of/from preservatives (= it contains no preservatives) . If something guarantees something else, it makes certain that it will happen. The £50 deposit guarantees (that) people return the boats after their hour has finished. (+ (that) clause) If something is guaranteed to happen or have a particular result, it is certain that it will happen or have that result. Just looking at a picture of the sea is guaranteed to make me feel sick. (+ to infinitive) If you guarantee someone's debt, you formally promise to accept the responsibility for that debt if the person fails to pay it. The company has agreed to guarantee the £10. 5 million bank loan.
	2. security; warranty; pledge; assurance
	3. vouch for; give a guarantee; give a warranty; promise, assure
	4. The assumption of responsibility for payment of a debt or performance of some obligation if the liable party fails to perform to expectations.
	5. A promise by the manufacturer to fix or replace a specific part if it does not last for a specific time period or distance.