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

Similar political winds seem to be blowing in Asia, where allies have also relied until now on the U.S. as the ultimate guarantor of their security. —Ned Temko, Christian Science Monitor, 15 May 2025

The Hamas official said the militant group is open to a long-term truce that includes the complete withdrawal of Israeli forces and international guarantees, naming Russia, China, Turkey or the U.N. Security Council as possible guarantors. —Wafaa Shurafa and Samy Magdy, Los Angeles Times, 23 Apr. 2025

First, there needed to be a sustainable ceasefire with security guarantees from the guarantor countries, then preparations for elections. —Josh Hammer, MSNBC Newsweek, 1 Apr. 2025

While Israel has sought to portray itself as the guarantor of minority rights in Syria, Turkey has presented itself as a leading force for stability and unity. —Russel Honoré, Newsweek, 5 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