guarantee.
Anything that assures a certain outcome.
Meaning & usage
Anything that assures a certain outcome.
Can you give me a guarantee that he will be fit for the match?
A legal assurance of something, e.g. a security for the fulfillment of an obligation.
A written declaration that a certain product will be fit for a purpose and work correctly; a warranty.
The cooker comes with a five-year guarantee.
The person to whom a guarantee is made.
A person who gives such a guarantee; a guarantor.
Where this word comes from
From Old French guarantie (perhaps via a later Spanish garante), from the verb guarantir (“to protect, assure, vouch for”), ultimately from Old Frankish *warjand, *warand (“a warrant”), or from guaranty. Doublet of guaranty and warranty.
To give an assurance that something will be done right.
To assume or take responsibility for a debt or other obligation.
To make something certain.
The long sunny days guarantee a good crop.
Where this word comes from
From Old French guarantie (perhaps via a later Spanish garante), from the verb guarantir (“to protect, assure, vouch for”), ultimately from Old Frankish *warjand, *warand (“a warrant”), or from guaranty. Doublet of guaranty and warranty.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.