em dash
nounEtymology 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.
1
Media, Publishing, Typography 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.2025 December 3, Sam Kriss, “Why Does A.I. Write Like … That?”, in The New York Times Magazine, New York, N.Y.: The New York Times Company, →ISSN, →OCLC, archived from the original on 03 Dec 2025: