guarantor

noun

guar·​an·​tor ˌger-ən-ˈtȯr 

ˌgär-,

ˌga-rən-;

ˈger-ən-tər,

ˈgär-,

ˈga-rən- 

1

: one that promises to answer for the payment of a debt or performance of a duty in case of the other's default or failure to perform : one that gives a guaranty (see guarantee entry 1 sense 3)

2

: one that guarantees

Synonyms of guarantor

• sponsor
• patron

Examples of guarantor in a Sentence

the town police force is the guarantor of our safety

Recent Examples on the Web

But to capitalize on the breathing room created by the deal, the guarantors will have to shield aid operations from the political manipulation that has plagued them since the war’s outset. —Jeremy Konyndyk, Foreign Affairs, 23 Oct. 2025

The guarantors demand Hamas uphold its obligations under the ceasefire terms. —Mandy Taheri, MSNBC Newsweek, 18 Oct. 2025

Both plans had Maduro’s initial approval and portrayed the Rodríguez siblings as potential guarantors of continuity and stability. —Antonio María Delgado, Miami Herald, 17 Oct. 2025

Outsourcing the job to non-state actors allows aggressors to avoid activating the terms that trigger action in security alliances, making the reputational damage of inaction by the security guarantor much lower. —Omar Al-Ubaydli, semafor.com, 8 Oct. 2025

Word History

Etymology

see guaranty entry 1

First Known Use

circa 1828, in the meaning defined at sense 1

Rhymes for guarantor

• albacore
• alongshore
• antiwar
• anymore
• blastopore
• carnivore
• commodore
• dinosaur
• evermore
• furthermore
• herbivore
• heretofore

Kids Definition

guarantor

noun

guar·​an·​tor ˌgar-ən-ˈtȯ(ə)r  ˈgar-ən-tər 

ˌgär-,

ˈgär-

: one that gives a guarantee

Legal Definition

guarantor

noun

guar·​an·​tor ˌgar-ən-ˈtȯr, ˌgär-; ˈgar-ən-tər, ˈgär- 

: one that makes or gives a guaranty