Monologue vs. soliloquy

A term you'll meet in dramatic technique.

The terms monologue and soliloquy are often used interchangeably, but they name different dramatic devices. The distinction matters because the two forms produce different effects and serve different purposes. Knowing which one you are watching (or reading) is the first step in interpreting the speech.

The basic distinction

Monologue — a long speech by one character, delivered to other characters who are present on stage. From the Greek monos ("alone") + logos ("speech") — a "speech-alone" in the sense that one person is speaking while others listen.
Soliloquy — a speech by one character delivered when no other characters are present, or when other characters are present but the speech is treated as private. The character speaks aloud their thoughts. From the Latin solus ("alone") + loqui ("to speak").

The crucial difference: in a monologue, the character is performing for an on-stage audience. In a soliloquy, the character is alone (or treated as alone) and the speech is addressed to themselves, to God, to the absent, or to the real audience as overhearers.

Hamlet examples

Shakespeare's Hamlet contains examples of both, which lets the distinction be made cleanly:

"To be, or not to be" (Act 3, Scene 1) — a soliloquy. Hamlet enters alone (in some productions Ophelia is visible, but he doesn't address her). The speech is his interior debate made audible.
Hamlet's instructions to the players (Act 3, Scene 2) — a monologue. Hamlet is delivering a speech to the actors, who are present on stage. They are his audience.
"How all occasions do inform against me" (Act 4, Scene 4) — a soliloquy. Hamlet, crossing toward the ship, alone on stage.

In all three, Hamlet speaks at length. The difference is who, structurally, he is speaking to.

Why the distinction matters

The two forms produce different effects:

A monologue is a performance for other characters. The speaker is choosing what to reveal, what to conceal, what register to use. We hear the character's public self.
A soliloquy is unperformed. Convention has it that the character is being honest because no one is listening (within the play's fiction). We hear the character's interior. The audience is the privileged eavesdropper.

This is why soliloquies are usually the deepest scenes in Shakespeare. They are the moments when we are given access to a character's inside, not to their performed self. Hamlet's soliloquies are why we feel we know him; his public speeches show us how he wants to be perceived.

The Renaissance convention

The soliloquy was the Renaissance theatre's way of representing what would later be called consciousness or psychology. There was no naturalist convention available; characters in plays did not, in real life, walk around speaking their thoughts aloud. The convention let Shakespeare and his contemporaries dramatise interiority that the available techniques could not otherwise show.

By the time of nineteenth-century realist drama (Ibsen, Chekhov, Strindberg), the convention was beginning to feel artificial. Realist drama mostly abandoned it. Modernist and absurdist drama brought it back in modified forms — Beckett's characters often speak in long unaddressed soliloquy-equivalents — but the Renaissance straight soliloquy is now historical.

The dramatic monologue (poetry)

A specific poetic form complicates the terminology: the dramatic monologue, a poem spoken by a clearly defined character (not the poet) to an implied auditor. Browning's "My Last Duchess" and "Porphyria's Lover," T. S. Eliot's "The Love Song of J. Alfred Prufrock," Tennyson's "Ulysses" — all are dramatic monologues. The speaker addresses someone (often within the poem); the reader overhears.

The dramatic monologue is technically a monologue (it has an addressee) but functions for the reader like a soliloquy (we are privileged eavesdroppers on a private speech). The form has been one of the most productive in English poetry.

Interior monologue

A related but distinct technique: interior monologue is the literary representation of a character's stream of thought, usually in prose fiction. It is the prose equivalent of the soliloquy — the unspoken content of a consciousness, given to the reader as language. Joyce, Woolf, Faulkner all use it.

So: soliloquy is a dramatic speech delivered aloud when alone. Interior monologue is the literary rendering of unspoken thought. They are doing similar work in different media.

How to read it in context

When watching a play or reading a script, ask first: is this character alone, or addressing others? If alone, what the character says is being treated as their interior — and should be read with the seriousness given to confession or prayer. If addressing others, what the character says is being treated as performed — and should be read with the suspicion given to any public speech. The same speech can mean very different things depending on which mode it is in.

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