Definition of: guaranty

(gar′ən·tē) noun plural ·ties
1. A pledge, made in separate contract, to be responsible for the contract, debt, or duty of another person in case of his default or miscarriage.
2. A deposit or security made in place of such a pledge.
3. The assumption of such responsibility by pledge or security.
4. A guarantor.
—v.t. ·tied, ·ty·ing To guarantee. [<OF guarantie <guarantir warrant <guarant a warrant <Gmc. Doublet of WARRANTY.]