Macbeth's tragic flaw is his lust for power. To determine this, one can analyze the character's actions and motivations throughout the play. Macbeth's intense desire for power drives him to commit heinous crimes, such as regicide, in order to obtain and maintain the throne. This flaw is evident in his soliloquies and dialogues, where he expresses his ambitions and willingness to do whatever it takes to secure his position. His relentless pursuit of power ultimately leads to his downfall.
Macbeth's tragic flaw in the play Macbeth is his lust for power.