em dash

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em dash

Where it comes from

Named for its width, which is equal to the width of the letter m or M, or approximately twice the width of an en dash.

noun em dashes · emdash · em-dash · m dash

  1. The symbol (—) (used to demarcate a parenthetical thought or to indicate a break, or for emphasis); a one-em or long dash. So now, no matter where it’s coming from or why, millions of people recognize the em dash as a sign of zero-effort, low-quality algorithmic slop.

    Similar: em rule, m-rule, mutton dash, ChatGPT hyphen

Translations

Every language

noun typographical symbol '—'

Españolraya
中文長破折號 /长破折号
Portuguêstravessão
Françaistiret cadratin
DeutschGeviertstrich
Italianolineetta emme
Ελληνικάδιπλή παύλα diplí pávla
Русскийтире́ tirɛ́

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Cite this
MLA

"em dash." Wiktionary, via Micwyn, micwyn.com/word/em%20dash. Accessed 6 Nov. 2026.

APA

em dash. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/em%20dash

Chicago

"em dash." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/em%20dash.

BibTeX
@misc{em_dash_2026,
  title = {em dash},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/em%20dash},
  urldate = {2026-11-06}
}