guarantor

noun

guar·​an·​tor ˌger-ən-ˈtȯr 

ˌgär-,

ˌga-rən-;

ˈger-ən-tər,

ˈgär-,

ˈga-rən- 

1

: one that gives a guaranty (see guarantee entry 1 sense 3)

2

: one that guarantees

Synonyms

• backer
• patron
• sponsor
• surety

Examples of guarantor in a Sentence

the town police force is the guarantor of our safety

Recent Examples on the Web

The first was that Netanyahu was the ultimate guarantor of Israeli security, a far-sighted hawk who, for all his faults, could be relied on to keep Israelis safe. —Yair Rosenberg, The Atlantic, 22 May 2025

One of those one-bid lots was the Mondrian composition, which appears to have been purchased by its guarantor. —Lillian Ali, Smithsonian Magazine, 16 May 2025

In 2019, then-Senate Banking Chair Mike Crapo, an Idaho Republican, released a three-page outline that would turn the institutions into private guarantors with a limited share of the mortgage market. —Joseph Zeballos-Roig, Quartz, 28 May 2025

In such a scenario, the Kremlin could reimpose itself as the key guarantor of regional connectivity—on its own terms. —Zaur Shiriyev, Foreign Affairs, 26 May 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