Main Entry: sure·ty

Pronunciation: \ˈshu̇r(-ə)-tē\

Function: noun

Inflected Form(s): plural sure·ties

Etymology: Middle English seurte, from Anglo-French seurté, from Latin securitat-, securitas security, from securus

Date: 14th century

1 : the state of being sure: as a : sure knowledge : certainty b : confidence in manner or behavior : assurance
2 a : a formal engagement (as a pledge) given for the fulfillment of an undertaking : guarantee b : a basis of confidence or security
3 : one who has become legally liable for the debt, default, or failure in duty of another

— sure·ty·ship \-ˌship\ noun