swear up and down

phrase

US

: to state (something) very strongly and sincerely : to insist

She swore up and down (that) she didn't do it.

Examples of swear up and down in a Sentence

Recent Examples on the Web

There were many moments throughout the season that contestants would get in their confessional and swear up and down that there’s no way Rausch could be a Traitor. — Nicole Fell, HollywoodReporter, 4 Mar. 2026

So, for example, as crime fell in 2023, the majority of Americans would still swear up and down that crime was rising. — Emily Galvin Almanza, Literary Hub, 18 Feb. 2026

Skeet and his bunch are going to swear up and down that Brandon has caused all this. — Mitch Moxley, Rolling Stone, 27 Sep. 2025

The two men have been friends and colleagues for decades and swear up and down that this change is not the result of some internal power struggle. — David Pierce, The Verge, 18 Apr. 2024

Southerners will swear up and down by a dish of Hoppin’ John to bring a year’s worth of good vibes. — Emily Heil, Washington Post, 29 Dec. 2022

Rhymes for swear up and down

• adown
• blowdown
• breakdown
• countdown
• crackdown
• crosstown
• downtown
• drawdown
• dropdown
• facedown
• godown
• hometown