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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.
According to probable cause documents obtained by local outlets, The Seattle Times, KOMO News and KING 5, prosecutors allege that McAllister, her boyfriend, and three kids embarked on a road trip to the Oregon-California border despite her daughter already showing signs of diabetic ketoacidosis. Kimberlee Speakman, PEOPLE, 26 Nov. 2025 Under federal law, immigration agents must have probable cause to believe someone is in the country illegally and likely to flee before a warrant can be obtained, in order to arrest them without one, Jackson said. Landon Mion, FOXNews.com, 26 Nov. 2025 Officers arrested him after developing probable cause, police said. Jose Fabian, CBS News, 25 Nov. 2025 The gun’s magazine was loaded with 11 rounds of ammunition, according to the probable cause statement. Caroline Zimmerman, Kansas City Star, 24 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 29 Nov. 2025.

Legal Definition

probable cause

see cause sense 2

Last Updated: - Updated example sentences
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