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.
The decree bans warrantless arrests unless agents have probable cause to believe someone is in the United States unlawfully, and is also a flight risk. Amanda Castro, MSNBC Newsweek, 8 Oct. 2025 The court did not approve unsealing the affidavits establishing probable cause and leading to the search warrant's approval. Cate Charron, IndyStar, 7 Oct. 2025 The lawsuit says the deputies acted without probable cause, and the case was settled with Solano County. Real-Time News Team, Miami Herald, 6 Oct. 2025 Presenting their findings in a lengthy declination memo, the prosecutors explicitly mentioned the two other investigations to bolster their recommendation that probable cause does not exist to charge Comey, according to sources familiar with the contents of the memo. Katherine Faulders, ABC News, 6 Oct. 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 14 Oct. 2025.

Legal Definition

probable cause

see cause sense 2

Last Updated: - Updated example sentences
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