English definition of “true”
NOT FALSE › based on facts and not imagined: a true story [+ (that)] Is it true that Martin and Sue are getting married? → Opposite untrue
come true › If a dream or hope comes true, it really happens: I always dreamt of winning money but I never thought it would come true.
be true to sb/sth › to be loyal and sincere even in a difficult situation: It's important to be true to your principles.