coconspirator

noun

co·​con·​spir·​a·​tor ˌkō-kən-ˈspir-ə-tər How to pronounce coconspirator (audio)
variants or co-conspirator
plural coconspirators or co-conspirators
: a person who conspires with one or more others : a fellow conspirator
… he was named as an unindicted coconspiratorTrans-Action
Five of his co-conspirators were also jailed for their roles in the plot.Tom Powell
… was one of four alleged co-conspirators indicted following what officials called one of the largest data breaches in history …Stewart Bell and Adrian Humphreys

Examples of coconspirator in a Sentence

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.
Maxwell, a one-time socialite in New York and London’s high societies who holds British and French citizenship, was hit with the same charges as Epstein a year later for allegedly acting as his coconspirator between 1994 and 1997. Molly Crane-Newman, New York Daily News, 15 July 2025 According to the original indictment, the coconspirator regularly asked Slater for classified information. CBS News, 14 July 2025 The trial lasted three weeks and featured testimony from Robin Smith, whom prosecutors said was an alleged coconspirator in the scheme. Evan Mealins, The Tennessean, 2 July 2025 The trial lasted three weeks and featured testimony from former Rep. Robin Smith, R-Hixson, whom prosecutors said was an alleged coconspirator in the scheme. Laura L. Davis, Nashville Tennessean, 17 May 2025 See All Example Sentences for coconspirator

Word History

First Known Use

1863, in the meaning defined above

Time Traveler
The first known use of coconspirator was in 1863

Browse Nearby Words

Cite this Entry

“Coconspirator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coconspirator. Accessed 21 Jul. 2025.

Legal Definition

co-conspirator

noun
co-con·​spir·​a·​tor
ˌkō-kən-ˈspir-ə-tər
: a fellow conspirator

Note: Under Federal law, a statement made by a co-conspirator during and to further the conspiracy is admissible as evidence, but there must be other evidence establishing both the conspiracy and the defendant's participation.

More from Merriam-Webster on coconspirator

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!