swear down

verb

To promise that something is (not) true.

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Meanings

verbswear down (third-person singular simple present swears down, present participle swearing down, simple past swore down, past participle sworn down)

present singular third person swears down · participle present swearing down · past swore down · participle past sworn down

  1. To promise that something is (not) true.
  2. To promise; swear; give one's word.
interjection
  1. Multicultural London EnglishNorthern EnglandI promise; no lie.

    Swear down. It's not all champagne and party poppers. Not.

    2016, Cath Staincliffe, The Silence Between Breaths, Hachette UK, →ISBN
    2 more examples

    “Swear down. He's found religion. Well, that's what I've heard anyway.”

    2011, Martin Stanley, The Gamblers, Martin Stanley, →ISBN, page 150

    It's nothing sketchy, swear down, it's just this one thing.”

    2014, Antonin Varenne, Loser's Corner, Hachette UK, →ISBN
Cite this entry
APA

swear down. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/swear%20down

MLA

“swear down.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/swear%20down. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “swear down,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/swear%20down.

Source: swear down on Wiktionary, CC BY-SA 4.0.