The washer comes with a guarantee against major defects.
They wanted a guarantee that the document was authentic.
They want the new contract to include a guarantee of job security.
The U.S. Constitution includes guarantees against unreasonable searches.
He cited the First Amendment guarantee of free speech.
And as key pieces of the infrastructure are knocked out, there is no guarantee that they will be repaired or rebuilt, at least not as they were before. —Naomi Klein, Harper's, October 2007
It might be no bad thing if the Constitution's guarantee of “equal protection of the laws” was interpreted to outlaw the vagaries of voting … —Michael Kinsley, New York Times Book Review, 5 Nov. 2006
Collecting can be a sort of love-sickness. If you begin collecting living things, … even if you manage to find them and then possess them, there is no guarantee they won't die or change. —Susan Orlean, New Yorker, 23 Jan. 1995
: to make a usually written promise that whatever you are selling, doing, etc., is what you say it is
: to promise to pay for (something) if another person fails to pay for it
: to say (something) with great confidence
Full Definition of GUARANTEE
: to undertake to answer for the debt, default, or miscarriage of <guarantee a loan>
: to engage for the existence, permanence, or nature of : undertake to do or secure <guarantee the winning of three tricks>
: to give security to <guaranteed her against loss>
: to assert confidently <I guarantee you'll like it>
See guarantee defined for English-language learners
Examples of GUARANTEE
The washer is guaranteed against defects for one year.
They guarantee that the diamonds they sell are top quality.
He offered to personally guarantee the loan.
The investment was guaranteed by the bank.
I guarantee that you'll be satisfied.
He guaranteed us that everything would go according to plan.
Money doesn't guarantee a happy life.
He guaranteed a victory in the championship game.
They're called change agents. They swoop in to transform stodgy institutions… . It's a risky tack, one that guarantees large numbers of people will hate the boss's guts. —Daniel McGinn, Newsweek, 28 Feb. 2005
For an incumbent President… . The power of the office and the media coverage its holder is guaranteed for just doing his job generally give him the luxury of staying above the fray. —Joe Klein, Time, 22 Mar. 2004
Voucher plans were adopted largely as a last resort, an effort to guarantee a semblance of school choice for low-income minority students in failing inner-city schools. —Jeffrey Rosen, New Republic, 18 Mar. 2002