noun
guarantee
gar-uhn-TEE
noun
1
A firm promise or assurance that something will happen or that a product will work as described.
"The washing machine comes with a two-year guarantee."
"There's no guarantee the flight will leave on time."
verb
1
To promise firmly that something will happen or be true.
"The company guarantees a full refund if you're not satisfied."
"I can't guarantee we'll finish by Friday, but we'll try."
How to Use Guarantee
Learner’s notesIn plain EnglishA firm promise that something will definitely happen, or a written assurance backing up a product.
Common mistake
A "guarantee" is the promise itself; a "guarantor" is the person who backs it up.
Easily confused with
Common pairings
money-back guarantee
guarantee a result
no guarantee
Word Forms
guaranteed past tense, guarantees plural, guarantees singular
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The washing machine comes with a two-year _____.
Etymology
From Old French guarantie, related to a Germanic root meaning "warrant" — a close cousin of "warranty."