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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.
Adair questioned the probable cause of the homicide and armed robbery charges, stating that Gallegos was not arrested with a weapon or with cash. Maritza Dominguez, AZCentral.com, 3 Dec. 2025 Holding someone for extra time must be authorized by a judicial warrant, in which a court determines there is probable cause to keep them longer, the ACLU argues in the lawsuit. CBS News, 3 Dec. 2025 The director was never charged, though a Connecticut prosecutor once said there was probable cause for a criminal case. Tommy McArdle, PEOPLE, 1 Dec. 2025 Lopez-Suazo took a series of right turns and went back to the address in the 600 block of East Rose Avenue and, in doing so, ran a stop sign and was nearly struck by oncoming traffic, according to the probable cause statement. Mara H. Gottfried, Twin Cities, 26 Nov. 2025 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 5 Dec. 2025.

Legal Definition

probable cause

see cause sense 2

Last Updated: - Updated example sentences
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