a piece of information, or a story, that people talk about, but that may not be trueto start/spread a rumorrumor (of something)There are widespread rumors of job losses.rumor (about something)Some malicious rumors are circulating about his past.rumor (that…)I heard a rumor that they are getting married.Many of the stories are based on rumor.Rumor has it(= people say) that he was murdered.I thought she was leaving the company, but perhaps it may be just a rumor.