سر

سِرٌّ \ confidence: confiding; a secret told to sb: I told him in confidence. The childish confidences of the little girl. riddle: a deep secret that cannot be understood: the riddle of birth and death; the riddle of some ancient words that were cut in stone. secret: a secret matter. \ سِرٌّ غامِض \ mystery: a strange thing that we cannot understand or explain: His sudden disappearance was a mystery to us all.