Definitions
1.NounA statement or claim of questionable accuracy, from no known reliable source, usually spread by word of mouth."There's a rumor going round that he's going to get married.; vile rumor; a rumor going round; vicious rumors; spread a rumor"
2.NounInformation or misinformation of the kind contained in such claims."They say he used to be a thief, but that's just rumor."
3.NounReport, news, information in general.
4.NounFame, reputation.
5.NounClamor, din, outcry.
6.VerbTo tell a rumor about; to gossip."John is rumored to be next in line for a promotion."