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
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Along with Orozco, nine others were arrested under similar circumstances — often with no warrants and little to no probable cause, according to the attorneys representing the plaintiffs. Laura Rodríguez Presa, Chicago Tribune, 18 Mar. 2025 Authorities have said the 911 call came from inside the home at 11:58 a.m. and that the victims are believed to have been killed between 4:00 and 4:25 a.m., per a probable cause affidavit previously reviewed by PEOPLE. Nicole Acosta, People.com, 17 Mar. 2025 This time, according to a probable cause affidavit released this week in response to a public records request, Thurston confronted 16-year-old students in an outdoor area of the Pompano Beach high school and ordered them to sit down on a bench. Rafael Olmeda, Sun Sentinel, 12 Mar. 2025 They’re supposed to have reason to believe that a person is deportable, which has been equated to probable cause. Isaac Chotiner, The New Yorker, 12 Mar. 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 24 Mar. 2025.

Legal Definition

probable cause

see cause sense 2

Last Updated: - Updated example sentences
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