What "mood" means in literature

A term you'll meet in literary effect.

Mood (also called atmosphere) is the emotional feeling a work of literature produces in the reader. It is what you would describe if asked, "What did it feel like to read that scene?" — eerie, oppressive, nostalgic, claustrophobic, hopeful, mournful. Mood is one of the most important and most under-taught literary concepts because it is usually confused with its near-cousin, tone.

Mood vs. tone

The clearest way to distinguish them:

Tone is the writer's attitude toward the subject — sympathetic, ironic, contemptuous, reverent.
Mood is the reader's emotional experience of the work — eerie, claustrophobic, melancholic, buoyant.

A writer can adopt an ironic tone while producing a melancholic mood; a sympathetic tone can produce a hopeful mood, an oppressive one, or anything in between. The two are independent dimensions. For more on the distinction, see our entry on tone vs. mood.

How mood is built

Mood is rarely created by a single device. It accumulates from many small choices:

Imagery. A scene set at noon on a sunlit beach reads differently from the same scene at dusk in a graveyard. The sensory details establish the emotional weather before the characters speak.
Setting. The Gothic atmosphere of Wuthering Heights, the suffocating heat of Camus's Algiers in The Stranger, the relentless rain of McCarthy's The Road — setting carries enormous mood-creating weight.
Diction. Word choice at the sentence level. Latinate, abstract vocabulary produces a different mood than Anglo-Saxon, concrete vocabulary.
Syntax. Short, fragmentary sentences produce urgency. Long, periodic sentences produce contemplation or exhaustion. The reader's breathing pattern mirrors the syntax.
Pathetic fallacy. Weather and landscape mirroring the characters' emotional states is one of the oldest mood devices in English literature.
Pacing. A scene's mood is shaped by how quickly or slowly the writer moves through it. A leisurely scene of dread is different from a frantic one.

Mood as the reader's experience

The crucial thing about mood is that it is felt before it is analyzed. You walk into the opening of The Castle of Otranto and the air is suddenly heavier; you walk into the opening of Pride and Prejudice and the air is suddenly lighter. You haven't yet identified the techniques producing those effects; you've registered the effects directly. Mood is the layer of the reading experience closest to the body.

How writers control mood across a work

Skilled writers control mood across the arc of a work. The opening establishes one atmosphere; mid-book shifts adjust it; the ending often consolidates or pointedly disrupts it. The mood of Macbeth shifts in measurable ways from the witches' opening (uncanny) to the early military scenes (heroic) to the post-murder scenes (paranoid) to the final battle (elegiac). Tracking the mood as it moves is part of tracking the play's argument.

How to read it in context

When you have an emotional response to a passage and don't yet know why, that response is the mood. The way to analyze it is to work backwards: what specific choices in setting, imagery, syntax, pacing, and diction are producing the feeling you have? Mood is never accidental in writing that matters; the writer has chosen each element to produce the atmosphere you are inhabiting.

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