[noun] a written assurance that some product or service will be provided or will meet certain specifications Synonyms:warrant, warrantee, warranty
[noun] a pledge that something will happen or that something is true; "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 Synonyms:guaranty
[verb] give surety or assume responsibility; "I vouch for the quality of my products" Synonyms:vouch
[verb] make certain of; "This nest egg will ensure a nice retirement for us"; "Preparation will guarantee success!" Synonyms:ensure, insure, assure, secure
[verb] promise to do or accomplish; "guarantee to free the prisoners" Synonyms:undertake
[verb] stand behind and guarantee the quality, accuracy, or condition of; "The dealer warrants all the cars he sells"; "I warrant this information" Synonyms:warrant
