guarantee
US /ˌɡærənˈti/
・UK /ˌɡærən'ti:/
A2
verb
- To promise to repair a broken product
- To promise that something will happen or be done
- To promise to pay if another person fails to do so
noun
- A promise to repair a broken product
- Promise that something will be done as expected
Examples
I personally guarantee total and immediate support in all measures undertaken.
The garage gives a year's guarantee for all repair work.