RhymeZone: guarantee definitions

Definitions of guarantee:

noun: a written assurance that some product or service will be provided or will meet certain specifications
noun: a pledge that something will happen or that something is true
Example: "There is no guarantee that they are not lying"
noun: a collateral agreement to answer for the debt of another in case that person defaults
verb: give surety or assume responsibility
verb: make certain of
Example: "Preparation will guarantee success!"
verb: stand behind and guarantee the quality, accuracy, or condition of
verb: promise to do or accomplish
Example: "Guarantee to free the prisoners"