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Definitions

guarantor

[gar-uhn-tawr, -ter] / ˈgær ənˌtɔr, -tər /
NOUN
insurer
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Khamenei’s rule partly depended on being a guarantor of national security.

From The Wall Street Journal • Mar. 1, 2026

South Carolina does not have filial-responsibility laws, and Maryland repealed its own law in 2017, meaning adult children are not responsible for their parents’ debts or care-home costs, unless they sign as a guarantor.

From MarketWatch • Feb. 25, 2026

They now see the need to lay the groundwork for the day when it might no longer be a reliable guarantor of their security.

From Slate • Feb. 2, 2026

"You would lose the ultimate guarantor of our freedom, which is the US nuclear umbrella," Rutte said.

From Barron's • Jan. 26, 2026

Jack, the household’s protector, its guarantor of tranquillity, was relied on to take the long view.

From "Atonement" by Ian McEwan