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

Neither text once referred to guarantors or any consequences for violating the agreement. —Tetiana Kyselova, Foreign Affairs, 1 Mar. 2025

In its powerful position at the helm of NATO, the U.S. has been widely viewed across Europe as the perennial guarantor of the continent's security. —Tom Rogers, Newsweek, 21 Feb. 2025

Germany’s pivot toward aggressive fiscal stimulus, triggered by the United States’ desire to step back from its traditional role as the global security guarantor, has boosted Europe’s outlook for spending and growth. —Garth Friesen, Forbes.com, 31 Mar. 2025

Would France be up to the task of replacing the U.S. as Europe's security guarantor of last resort? —Thomas G. Moukawsher, Newsweek, 21 Mar. 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