Skip to the word

Added 7 October 2026

guarantee

/ˌɡæɹ.ənˈtiː/ noun

In Latin: polliceor Wiktionary

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about guarantee at Wordnik → Where our words come from →

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.

verb

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.

Origin

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.

From Wiktionary, via Kaikki.org (CC BY-SA)

Back to today's word