Duplicity, understood as deliberate deception or the maintenance of two contradictory selves, occupies a central position in Shakespeare’s Macbeth. Written around 1606 and first performed during the reign of James I, the tragedy examines how characters adopt false appearances to secure power while concealing their true intentions. This essay explores the theme through Macbeth’s internal conflict, Lady Macbeth’s manipulation of gender and morality, and the ambiguous role of the witches. Drawing primarily on the play’s language and structure, the discussion considers how duplicity drives both the plot and the protagonists’ downfall, offering a reading suited to the demands of undergraduate literary study.
Macbeth’s Divided Self
From the outset, Macbeth embodies duplicity through the tension between his public persona as a loyal thane and his private ambition. After the witches’ prophecy, he immediately recognises the need for concealment when he remarks, “Stars, hide your fires; / Let not light see my black and deep desires” (Shakespeare, 1999, 1.4.50–51). The metaphor of hidden darkness illustrates his awareness that genuine loyalty must be performed while murderous intent remains unspoken. This performance continues at Dunsinane, where Macbeth hosts Duncan with apparent hospitality even as he plots regicide. The scene is deliberately ironic: Duncan praises the “prodigious” castle and Macbeth’s “loved” service (1.6.1–3), unaware that the host’s face masks treachery. By Act 3, Macbeth’s duplicity extends to self-deception; he justifies the murder of Banquo by claiming political necessity, yet admits privately that “I am in blood / Stepped in so far” (3.4.135–136). Such moments reveal how sustained falsehood erodes Macbeth’s moral coherence, transforming initial tactical deception into a permanent state of paranoia.
Lady Macbeth and the Performance of Gender
Lady Macbeth’s handling of duplicity is more explicit and ideologically charged. She recognises that social expectations of femininity can be weaponised. In her opening soliloquy she calls upon “spirits / That tend on mortal thoughts” to “unsex me here” (1.5.38–39), requesting the removal of conventional womanly compassion so that she may more convincingly urge murder. The speech demonstrates her understanding that outward role-play is essential to political agency. Later, she coaches Macbeth in the art of controlled appearance: “Look like th’innocent flower, / But be the serpent under’t” (1.5.63–64). By invoking the biblical image of the serpent, she supplies a moral framework that legitimises deceit as necessary for advancement. Her subsequent fainting after Duncan’s body is discovered (2.3.117) further exemplifies strategic performance; whether genuine or calculated, the gesture diverts suspicion and preserves the couple’s façade of innocence. Critics note that her eventual madness, expressed in the compulsive hand-washing of Act 5, shows the psychological cost of prolonged duplicity, yet within the dramatic logic of the play her collapse underscores rather than undermines the temporary efficacy of her performed self (Garber, 2004).
The Witches and Equivocation
The witches supply the play’s most sustained source of linguistic duplicity. Their opening statements—“Fair is foul, and foul is fair” (1.1.11)—announce a moral inversion that pervades the entire text. Each prophecy offered to Macbeth is technically true yet misleading, a device known in Jacobean England as equivocation. When they declare that “none of woman born / Shall harm Macbeth” (4.1.80–81), the statement appears reassuring; only later does the audience learn that Macduff, delivered by Caesarean section, evades the literal condition. This technique forces both character and spectator to confront the gap between surface meaning and underlying truth. The porter scene (2.3) momentarily literalises the theme through the porter’s drunken meditation on “equivocators” who “could swear in both the scales against either scale” (2.3.8–9). Placed immediately after Duncan’s murder, the speech invites the audience to see the witches’ language as the structural model for every subsequent act of deception in the play.
Duplicity and Political Order
Finally, the theme extends beyond individual psychology to the restoration of political order. Malcolm’s self-description as possessing “all the particulars of vice” (4.3.50) functions as a test of Macduff’s loyalty, deliberately adopting a false persona before revealing his genuine virtues. The scene demonstrates how duplicity, once introduced by the witches and protagonists, becomes a necessary tool even for the forces of restoration. Only after this performance does Malcolm assume his rightful identity, signalling that the realm must purge itself of sustained deceit before legitimate rule can resume.
Conclusion
Macbeth dramatises duplicity as both strategy and contagion. Through Macbeth’s concealed ambition, Lady Macbeth’s gendered performance, the witches’ equivocal prophecies, and even Malcolm’s calculated self-denigration, Shakespeare illustrates how appearances are systematically detached from reality. The resulting moral and political disorder can be resolved only by violent exposure and the re-establishment of transparent kingship. For the undergraduate reader, the play therefore offers a sustained meditation on the costs of living a double life, one that remains pertinent to any society in which power depends upon the careful management of what is shown and what is hidden.
References
- Garber, M. (2004) Shakespeare After All. New York: Pantheon Books.
- Shakespeare, W. (1999) Macbeth. Edited by A.R. Braunmuller. Cambridge: Cambridge University Press.
