probable cause

noun

: a reasonable ground for supposing that a charge is well-founded

Examples of probable cause in a Sentence

The lawyer argued that there was a lack of probable cause for a search warrant. The police had probable cause to arrest him.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Lee-Nathan is due back in court on July 9 for a probable cause conference. Joseph Buczek, CBS News, 1 July 2026 Prosecutors need to show probable cause for the charges against Robinson. Michael Ruiz, FOXNews.com, 6 July 2026 Nikollbibaj is due back in court July 10 for a probable cause conference. Christina Coulter, PEOPLE, 4 July 2026 But the circles must be smaller, pushing back on criticism that geofence warrants are too often made in bad faith and in search of probable cause. Andrew Nusca, Fortune, 30 June 2026 See All Example Sentences for probable cause

Word History

First Known Use

circa 1676, in the meaning defined above

Time Traveler
The first known use of probable cause was circa 1676

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Cite this Entry

“Probable cause.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/probable%20cause. Accessed 8 Jul. 2026.

Legal Definition

probable cause

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