run out on

verb

To leave a partner or commitment suddenly and without prior warning.

“I saw him run out on the check at a burger joint.”

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Meanings

verbrun out on (third-person singular simple present runs out on, present participle running out on, simple past ran out on, past participle run out on)

present singular third person runs out on · participle present running out on · past ran out on

  1. idiomaticTo leave a partner or commitment suddenly and without prior warning.

    Vinton's former wife, Mitzi, ran out on him. Naomi had four previous marriages, to Tom, Bill, Leonard and George.

    2011, Vincent Terrace, Encyclopedia of Television Shows, 1925 Through 2010, 2d Ed., Volume 3, page 648
  2. idiomaticTo leave a restaurant without paying the bill; to dine and dash.

    I saw him run out on the check at a burger joint.

Synonyms & antonyms

Also see
abandonrun off on
Cite this entry
APA

run out on. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/run%20out%20on

MLA

“run out on.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/run%20out%20on. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “run out on,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/run%20out%20on.

Source: run out on on Wiktionary, CC BY-SA 4.0.