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.
The civil lawsuit says ICE and Border Patrol personnel have illegally stopped and detained people without probable cause or warrants. Christopher Cann, USA Today, 16 Jan. 2026 One is a preliminary examination, which is like a mini trial where the prosecutors have to establish probable cause to a judge so the judge will agree to let the case proceed forward. Elizabeth Rosner, PEOPLE, 15 Jan. 2026 The board unanimously approved Ethics Officer Obréziah Bullard’s conclusion in a preliminary investigation that there was no probable cause for the allegations against County Manager Cheri Hobson-Matthews. Reed Williams, AJC.com, 14 Jan. 2026 Represented via video by attorney Amber Fayerberg, Busfield did not raise a probable cause challenge against the state on the felony charges. Dominic Patten, Deadline, 14 Jan. 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 17 Jan. 2026.

Legal Definition

probable cause

see cause sense 2

Last Updated: - Updated example sentences
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