This passage from Macbeth relies on literary devices to explicate the dynamic between Macbeth and his wife. In Lady Macbeth’s soliloquy in lines six through nine, the alliteration of “destroy,” “destruction,” “dwell,” and “doubtful” represents the dark tactics that she uses to manipulate her husband. When Macbeth arrives in line 10, her diction changes from heavy consonants to lighter, condescending tones. Soft phrases like “how now” and “sorriest fancies” show that her shift in tone when he arrives indicates her ability to get Macbeth to do what she wants. Macbeth makes an allusion, another literary device, when he states: “We have scorched the snake, not killed it” (3.2.10). Macbeth compares Duncan to a snake in order to convey the message that Duncan remains a threat to the throne.
Macbeth uses a metaphor to describe Duncan’s death: “Duncan is in his grave. / After life’s fitful fever he