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.
Maltos was set to have a preliminary hearing, where a federal magistrate judge would determine probable cause to charge him and move the case forward, this week. Diamond Vences, Charlotte Observer, 10 Dec. 2025 She's been charged with first-degree reckless homicide and a court commissioner determined enough probable cause exists to move forward. Drake Bentley, jsonline.com, 10 Dec. 2025 Under Wisconsin law, law enforcement must outline potential criminal charges when applying for a search warrant in order to establish probable cause. Susan Young, PEOPLE, 8 Dec. 2025 The constitutional amendment protects against unreasonable searches and seizures and requires warrants to be based on probable cause. Ellie Cook, MSNBC Newsweek, 7 Dec. 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 12 Dec. 2025.

Legal Definition

probable cause

see cause sense 2

Last Updated: - Updated example sentences
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