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.
Bevins also reportedly told investigators that Aiden accidentally hit his head while running to the bathroom and died later, both outlets reported, citing a probable cause affidavit. Angel Saunders, PEOPLE, 6 June 2026 Dana is due back in court on July 13 for a probable cause hearing. Neal Riley, CBS News, 6 June 2026 Recarey drafted arrest warrants and probable cause affidavits, but the state attorney refused to sign off on them. Julie K. Brown, Miami Herald, 4 June 2026 The appellate court said the attorney general had demonstrated probable cause to investigate and sue, citing public reports of malfeasance at the NRA that predated the investigation and ample evidence uncovered during it. Chloe Atkins, NBC news, 4 June 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 13 Jun. 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