A2to think that something is true, correct, or real: Strangely, no one believed us when we told them we'd been visited by a creature from Mars.[+ that]He believes that all children are born with equal intelligence.She's arriving tomorrow, I believe."Is she coming alone?" "We believe not/so(= we think she is not/is)."[+ obj + to infinitive]I believe her to be the finest violinist in the world.[+ obj + adj]All the crew are missing, believed dead.Believingnot believe a word of it›to not believe that something is true: He told me she was just a friend, but I don't believe a word of it!Not believingbelieve it or notB1(alsowould you believe it?)›said when telling someone about something that is true, although it seems unlikely: He's upstairs doing his homework, believe it or not.BelievingExpressions of surpriseif you believe that, you'll believe anything!informal›something that you say to emphasize that something is obviously not true: He said the car in front backed into him, and if you believe that, you'll believe anything!True, real, false, and unrealNot believingmake believe›to pretend or imagine: Let's make believe (that) we're pirates.→ See alsomake-believeFaking and pretending