- 1 money given as a promise that you will pay a debt, appear in court, etc. She was granted bail with a surety of $500. They offered a large amount of money as surety.
- 2 a person who accepts responsibility if someone else does not pay a debt, appear in court, etc. to act as surety for someone She promised to stand surety for him.
NAmE//ˈʃʊrət̮i//[countable, uncountable] (pl. sureties) (law)