Emma Wright
Shakespeare's Macbeth opens with a soldier praised for his valour and ends with a tyrant despised by all. The force driving that fall is ambition. This essay argues that, in Macbeth, ambition is presented not as a virtue but as a vice — a desire that, once unchecked by conscience, corrodes judgement, relationships, and the moral order of the state.
From the outset, Macbeth's ambition is shown to be at war with his own conscience. After hearing the witches' prophecy, he admits that the thought of murder 'doth unfix my hair', revealing that he knows the act is monstrous even as he is drawn to it. Ambition here is not a clean drive toward greatness but a temptation that he must talk himself into, suggesting Shakespeare frames it as something to be resisted rather than admired.
As the play develops, ambition begins to override Macbeth's reason and humanity. Having killed Duncan, he cannot stop; he murders Banquo and orders the slaughter of Macduff's family, acts with no strategic need beyond protecting his stolen crown. The escalation shows ambition feeding on itself, turning a once-loyal subject into a man who kills out of fear and habit.
Ambition also destroys the relationships that once defined Macbeth. His partnership with Lady Macbeth, intense at the start, collapses into isolation and her eventual madness and death. By the final act he greets the news of her death with the hollow 'she should have died hereafter', a numbness that shows how thoroughly ambition has hollowed him out. What looked like drive has cost him every human tie.
Some might argue that ambition itself is neutral, and that it is only Macbeth's choices that are at fault. There is force in this: Banquo hears the same prophecy yet does not murder for it. But the play repeatedly links the language of ambition with disease, darkness, and unnaturalness, suggesting Shakespeare sees unchecked ambition as inherently corrupting rather than merely misused.
In conclusion, Macbeth presents ambition as a vice rather than a virtue. Through Macbeth's guilt, his spiralling violence, and the ruin of his relationships, Shakespeare shows that ambition severed from conscience does not elevate a person but destroys them. The play is less a celebration of striving than a warning about what we are willing to become to get what we want.

