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.
Judicial warrants are issued by judges when they are presented with probable cause and allow law enforcement officers to enter and search a person's residence. Arkansas Online, 16 Feb. 2026 Jackson County alerted local schools to continue monitoring the issue, but law enforcement did not have probable cause to arrest or take other actions, according to the statement. Eric Levenson, CNN Money, 16 Feb. 2026 While law enforcement detectives have repeatedly presented probable cause affidavits, the state attorney’s office has allowed the statute of limitations to expire on key incidents. Sun Sentinel Editorial Board, Sun Sentinel, 16 Feb. 2026 Grand jury proceedings require only probable cause, not proof beyond a reasonable doubt, and are conducted without defense counsel present. Kaelan Deese, The Washington Examiner, 15 Feb. 2026 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

Browse Nearby Words

Cite this Entry

“Probable cause.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/probable%20cause. Accessed 27 Feb. 2026.

Legal Definition

probable cause

see also:
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster