▪ the quality of being reliably true: "there is a bewildering lack of certainty and clarity in the law"
▪ a general air of confidence: "a man exuding certainty"
▪ a fact that is definitely true or an event that is definitely going to take place: "the passing of the act made a general election a certainty"Similarinevitabilitynecessityforegone conclusionpredictable resultmatter of courseracing certaintycertain winnerinformal:sure thingcertdead certsure-fire winnerOppositepossibilityimpossibility
▪ a person that is certain to do or win the specified thing:"he was expected to be a certainty for a gold medal"
Word OriginMiddle English: from Old French certainete, from certain (see certain).