Definition from macmillandictionary.com
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The government provides help for small businesses, but it cannot guarantee their success.
We can’t guarantee that you will get the cheapest fare possible.
Freedom of speech is guaranteed by our constitution.
The right to a fair trial is guaranteed under Article Six of the convention.
This win guarantees them a place in the final.
You should pass the test first time, but we can’t guarantee it.
He guaranteed they would be paid on time.
Our tutors can virtually guarantee to get you through the exams.
We can guarantee you the very finest standards of service.
You’re guaranteed a window seat.
All our products are guaranteed for three years.
The car’s bodywork is fully guaranteed against rusting.
The loan was guaranteed by a Hong Kong property developer.
I used my own personal assets as security to guarantee the loan.