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.
Los Angeles County Superior Court Judge Charlaine Olmedo will decide whether the prosecution offered enough evidence to demonstrate probable cause to proceed to trial. Madeline Morrison, NBC news, 22 July 2026 The preliminary hearing is expected to last three to five days, with prosecutors seeking to establish probable cause to move forward with a trial. Alex Stone, ABC News, 21 July 2026 The probable cause affidavit states that in an interview after his arrest, Lequerique expressed remorse, acknowledged the X account was his and admitted to altering images and searching online for similar material. Laurie Mermet, Sun Sentinel, 17 July 2026 Police responded Saturday to West Franklin and North Ten Mile Road regarding a vehicle collision in the left turn lane of Franklin, according to probable cause affidavits filed by two officers, Kyle Keillor and Taylor Sherman. Alex Brizee july 17, Idaho Statesman, 17 July 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 23 Jul. 2026.

Legal Definition

probable cause

see also:
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