Definition: Samsara is a Buddhist concept referring to the cycle of samsara, life, birth, death, rebirth, and endless cycle of suffering and delusion. Detailed definition: Life is in constant motion. Samsaras are the conditions that cause suffering. Why is it called 'samsara'? The word comes from Sanskrit which translates to "wars" or "battle," reflecting its cyclical nature where life experiences and emotions play a key role in the cycle of suffering.