Phrase guide

fourth wall

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

The imaginary invisible wall at the front of the stage in a proscenium theatre, through which the audience sees the action in the world of the play.

Definition source: English Wiktionary via Wiktextract

Usage: idiomatic

Qualifier: performing arts

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The boundary between the fiction and the audience.

Definition source: English Wiktionary via Wiktextract

Usage: broadly

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

A reference to the three walls of a box set, with the fourth wall being the imaginary wall separating the performers from the audience. Coined by philosopher and art critic Denis Diderot in 1758 and thus a calque of French quatrième mur.

Across languages

Translations

20 source translations are retained for this English entry.

  • Chinese Mandarin: 第四面牆 /第四面墙 (dìsìmiànqiáng) — imaginary invisible wall in theatre
  • Dutch: vierde wand — imaginary invisible wall in theatre
  • Finnish: neljäs seinä — imaginary invisible wall in theatre
  • Georgian: მეოთხე კედელი (meotxe ḳedeli) — imaginary invisible wall in theatre
  • German: vierte Wand — imaginary invisible wall in theatre
  • Hindi: चौथी दीवार (cauthī dīvār) — imaginary invisible wall in theatre
  • Turkish: dördüncü duvar — imaginary invisible wall in theatre
  • Chinese Mandarin: 第四面牆 /第四面墙 (dìsìmiànqiáng) — boundary between fiction and audience
  • Dutch: vierde wand — boundary between fiction and audience
  • Finnish: neljäs seinä — boundary between fiction and audience
  • French: quatrième mur — boundary between fiction and audience
  • Georgian: მეოთხე კედელი (meotxe ḳedeli) — boundary between fiction and audience
  • German: vierte Wand — boundary between fiction and audience
  • Hindi: चौथी दीवार (cauthī dīvār) — boundary between fiction and audience
  • Italian: quarta parete — boundary between fiction and audience
  • Japanese: 第四の壁 (daishi no kabe, daiyon no kabe) — boundary between fiction and audience
  • Polish: czwarta ściana — boundary between fiction and audience
  • Portuguese: quarta parede — boundary between fiction and audience
  • Spanish: cuarta pared — boundary between fiction and audience
  • Turkish: dördüncü duvar — boundary between fiction and audience