burden of proof

noun phrase

: the duty of proving a disputed assertion or charge

Examples of burden of proof in a Sentence

Recent Examples on the Web

Besaw’s procedural argument that the burden of proof should have shifted to the Commissioner was flatly rejected. —Matthew F. Erskine, Forbes.com, 9 Sep. 2025

The systems flag false positives, make decisions without human oversight, and shift the burden of proof onto customers who have to defend themselves against algorithmic accusations. —Christopher Elliott, USA Today, 9 Sep. 2025

The patient must take on the burden of proof to show that is necessary. —Marina Johnson, Louisville Courier Journal, 2 Sep. 2025

Emord’s petition seeks to flip the burden of proof. —Arthur Allen, NBC news, 22 Aug. 2025

Word History

First Known Use

1705, in the meaning defined above

Rhymes for burden of proof

• aloof
• behoof
• disproof
• flameproof
• foolproof
• greaseproof
• leakproof
• reproof
• soundproof
• bulletproof
• fireproof
• waterproof

Legal Definition

burden of proof

: the responsibility of producing sufficient evidence in support of a fact or issue and favorably persuading the trier of fact (as a judge or jury) regarding that fact or issue

the burden of proof is sometimes upon the defendant to show his incompetency

—W. R. LaFave and A. W. Scott, Jr.

compare standard of proof

Note: The legal concept of the burden of proof encompasses both the burdens of production and persuasion. Burden of proof is often used to refer to one or the other. Burden of proof and burden of persuasion are also sometimes used to refer to the standard of proof.